Microsoft Defender for Endpoint Reviews

We use it as an antivirus and EDR solution. We also use it for vulnerability scanning and threat hunting.

It is cloud-based. We have a cloud-first strategy when it comes to our organization.

We are a very small, lightweight start-up organization who has only been around for a couple of years. We have 17 endpoints. 

We have it deployed on our endpoints and virtual servers. We have a few Windows Servers 2019, and we have onboarded those both onto Defender for Endpoint as well. Those servers are not managed by MDM because they are Server 2019, but we have onboarded them so they are being managed by Defender for Endpoint as well.

This solution definitely increases our security posture. When you are reviewing your existing fleet or endpoints and based on the configuration that you put out of your Defender for Endpoint, you then receive a security score from Microsoft. Depending on what rules you have configured, what policies you have deployed, and what attack surface reduction rules that you have set up and deployed, it is almost gamifying information security in the sense that you are always trying to achieve a higher score. The more hardening you perform on your endpoints, the better score you receive. This generally tends to give you a better peace of mind, but also makes you secure at the same time.

I like the fact that it is baked into the Microsoft platform. 

Since we have deployed it, we have been really impressed with the way that everything just stitches together really well. You can access all your security data and telemetry from a single pane of glass on the Microsoft Security admin console. You can access all your endpoints, see how your antivirus is running, and get all your vulnerability scans and reports. In the software inventories, you can review your known vulnerabilities and understand whether those are zero days or if there are active threats out in the wild. Essentially, you don't need to jump into different admin consoles. You have everything built into Windows Defender Security Center, which we find really useful.

If you consider our organization, we are a fairly Mac-heavy organization. At the moment, around 80% of our fleet are Mac OSs. We made a conscious decision to roll out Defender for Endpoint against all our endpoints, whether it is Windows or Mac OS. However, one thing that we have noticed is that there is definitely no parity on the platform between the two operating systems. When you are configuring, deploying, and onboarding machines, you can get very granular with your security configuration when you are deploying it to a Windows's endpoint. For Mac OS, it is a lot more straightforward. You don't have the ability to apply as much configuration as you would on Windows. That is definitely something that has room for improvement. 

I am also not sure how well the EDR functionality works on the Mac OS platform. It just provides an antivirus and the full EDR capability is not there on a Mac OS. 

The web filtering needs a little bit of work. We are actually in the market at the moment for a third-party web filter or cloud secure web gateway to try and plug that hole since it is a bit of a pain point for us. I don't think we will use the baked in version from Defender for Endpoint.

On the Mac OS platform, there is no parity between Windows and Mac OS. The solution is very feature-rich and very well-integrated into Windows, and I guess baked into Windows 10 and Windows 11. Whereas, on the Mac OS platform, there is still some work there to give it a more feature-reach platform.

I have been using it for about a year.

With Windows, we have been very happy. We have had no issues or problems whatsoever. We had one issue on the Mac OS platform when an update to Mac OS was deployed. It wasn't a major update, like Monterey. It was a point update. So I think it might have been 12.2.1 where the Defender icon was starting to display across, which means I found a threat or it's not working properly. We had that across a handful of machines. I did a bunch of Google searches and sort of realized this was happening to a lot of other organizations, so it was probably a false positive.

I contacted Microsoft support who confirmed that it was just a visual glitch. I guess Apple is well-known for this. When they do push out their updates, they attempt to break the occasional third-party system. That was the only issue that we have encountered, which was more a visual glitch than an actual threat.

It is pretty much zero-touch because the definitions sort of update themselves. The application updates itself because it is deployed through Microsoft Intune. Therefore, the maintenance is pretty straightforward.

It is very scalable. Because it is cloud-based, it is elastic in its nature. You can onboard machines en masse. Whether you are onboarding 15 machines or 1500 machines, it is very straightforward.

As we scale up, this is now our AV and EDR of choice. Every new machine will be rolled out or onboarded to Defender for Endpoint. We will be sticking with it in the long-term. We have also the logs and telemetry from Defender for Endpoint being ingested into our MDRC platform.

The technical support is very good. Wherever I have worked with them, we have always been enterprise customers. Whenever I have raised a ticket for support, you generally receive a phone call anywhere from 10 minutes to three hours after raising your ticket. Even if it is not a P1, but a P2 or P3 ticket or just a request for information that you have generated in the form of a ticket, they will respond back to you quickly.

They have good levels of escalation. So, if their first line support is unable to help, they can quickly escalate to the second or third line. I have never really had any problems with Microsoft support. That is across Defender for Endpoint and Microsoft Endpoint Manager as well as for the productivity throughout Office 365 and Azure Active Directory.

I would rate them as eight out of 10.

We currently have an MSP in place, which is a managed service provider, who manages all our IT support, service desk, and desktop support functions. They had already purchased an antivirus subscription for the organization when I joined the organization, and it was a fairly basic one. Our biggest problem was that it does not have any SIEM integration. 

When we decided to go down the route of having a SOC or MDR service, we couldn't ingest the logs from the antivirus platform into their SIEM. That is when the hunt started for a new AV service.

I wouldn't say the user impact has changed on top of the AV product that we had before.

The initial setup was very straightforward. Microsoft, as an organization, is quite well-incentivized to get you to use their own products. There are hoards of material out there via their social media channel, through their own documentation, or the Microsoft Learn platform. There are reams and reams of user guides for you to go through, all of which are fairly straightforward. They are regularly updated as well.

It is all cloud-delivered so there isn't any on-premise infrastructure that I need to maintain, patch, or configure. It is literally all configured in the cloud. So, it was a very easy setup process for me.

It took days to get a proof of concept together on a handful of machines. Over the next few weeks, once we got the go ahead and thought, "You know what? We are going to go with this." It was just a matter of weeks and that was more down to team availability. We needed to sit down and offboard the existing AV, which we weren't particularly happy with, then onboard Defender for Endpoint. So, we tied that project with our MDM rollout. Therefore, while we were deploying our MDM solution and enrolling the device, we were onboarding the machine to Defender for Endpoint as well.

I actually set it all up myself. I am the only technical person at the organization. I have worked with Microsoft quite extensively in the past, and I have used their fast track consultancy services in other organizations that I have worked with as well. Therefore, I am quite confident and familiar with Microsoft technologies. 

We then signed up with an MDR supplier who does managed detection and response. Essentially, that is a team of cybersecurity experts who connect to our infrastructure and all the data telemetry from our endpoints feed up to their platform. If they see any threats, anomalies, or events, they will then jump in, reviewing and remediating as required.

We had a consultancy session with one of their Microsoft consultants around a month ago, where they reviewed the setup that I configured. They put in two or three recommendations to harden the setup a little bit more, but they were overall pretty happy with it. Thus, if I can do it, then it can't be that difficult.

There is less overhead in terms of having the system administrator or information security manager jumping around different systems and trying to actively keep a handle on our security posture across the organization. Instead, everything is right in front of me.

One of the first things that I did when I came onboard in the organization was scrapping our reseller agreement. I registered us as a not-for-profit with Microsoft, and we now get subsidized licensing at effectively half price. It just sort of makes sense for us. Now, we buy our licenses directly from Microsoft rather than our formal license reseller.

Even if you are not registered as a not-for-profit, the offering that they have is definitely worth consideration. This is in the sense that the E5 stack just gives you so many benefits. You get your entire productivity suite through Microsoft 365 apps. You get all your security and identity protection. You get the Defender for Endpoint and Defender for Identity. You get the cloud access security broker as well. You get Azure Active Directory Premium P2, which gives you so many good things that you can configure and deploy. You don't have to configure them on day one, but you have access to so many different tools that will protect your data, security, endpoints, and identities that you could build out a security strategy 18 months long, and slowly work your way through it, based on what you have available to you through your license.

You can purchase some add-ons, like Microsoft Threat Expert team. I have not read too much into that, but my understanding is that comes at an additional cost. Since we have a dedicated MDR and SOC sitting on top of our Defender for Endpoint, it is not something that applies to us anyway.

We are E5 customers. Essentially, we have the flagship license. We looked at a lot of different organizations and vendors for our antivirus needs. We spoke to the usual suspects: CrowdStrike, Sophos, and Darktrace. 

Because we also have a Gartner subscription, we reached out to our Gartner analyst, and said to them, "Look, we have the E5 license and know that Microsoft doesn't have the greatest reputation when it comes to their antivirus products, but we understand they have come on a lot over the last few years. This is the direction that we proceed. We want to deploy Microsoft Defender for Endpoint. We then want to layer an external managed detection response service on top of it that will essentially provide 24/7/365 monitoring for alerts and anomalies." Gartner advised us that it has improved to the point where they are now considered one of the leaders on their magic quadrant, so we should be absolutely fine with it. 

Originally, Microsoft wasn't in mind for us at all. We sort of had our heart set on CrowdStrike because we were really impressed with them. We got quite deep into advanced discussions with them and Darktrace as well.

The deciding factor for going with Microsoft was the budget. We were already paying for the E5 licensing. So, we were allowed to use Defender without any extra costs. We could just enable and configure it. We thought that we would use the budget left over to purchase a dedicated MDR service who would maintain an overall ability for all the endpoints to connect with it. We could also expand that to our Google Cloud Platform as well as our AWS and Azure Cloud environments. We could also extend that service onto our physical appliances, e.g., the logs from our on-premise firewalls, security appliances, and routers.

We felt that in terms of scaling up to get to the security posture that we needed, this might be a better solution for us. Whereas, CrowdStrike and Darktrace, at the time, were more focused on the endpoints. For example, if there was some suspicious behavior happening on our Azure Active Directory and our CEO's user account was under a brute-force attack, then CrowdStrike wouldn't necessarily pick up on such an attack because they are more focused on the endpoint rather than the cloud instances. Thus, we thought Microsoft gave us better coverage overall as well as the fact that we were already licensed for it.

It just made sense for us to go down that direction. We just felt we would have a more well-rounded approach if we went with Defender for Endpoint supported by the MDR service, who would then provide monitoring over all our cloud instances, endpoints, and on-premise infrastructure and appliances.

One of the main benefits is cost. Being an E5 subscriber, we are essentially already paying for Defender for Endpoint. However, it wasn't on our initial list of antivirus solutions when we were going out to market. We really felt that we were going to go for a managed service, such as CrowdStrike or Darktrace. When we decided to go for Defender for Endpoint, we created a cost savings. So, it was easier for us to prove the business case to our senior management.

A good antivirus is something that sort of happily sits in the background and just pretty much does its job until it is needed. It is just sitting there constantly watching and monitoring. Then, if it does need to intervene or remediate against the threat, that is when you know, "My antivirus is happily working." We haven't had many incidents to deal with. To be honest, we have had a couple of false positives. 

Definitely shortlist them in your list when you are out looking for a new vendor. What tends to happen with a lot of IT professionals is that they overlook the Microsoft offering because of the reputation that Microsoft Defender has had in the past, when it came to its consumer version. However, they have spent the last few years completely revamping their security stack. I think it offers a really well-rounded, holistic approach to cybersecurity now. They are definitely worth considering next to CrowdStrike, Sophos, and Darktrace.

A lot of organizations are probably like, "Oh, no, we don't want to get Microsoft. We don't want to get Defender. We want to get an established name," but I think Microsoft has put a lot of effort, budget, and development time into their security stack. It is a great suite. 

As their Azure platform grows, they leverage that to power and drive their Defender for Endpoint. A lot of the protections that they deploy are cloud-delivered platforms. So, they are picking up telemetry from millions of different signals and endpoints. They have so much data and can see trends really quickly.

I would rate them as eight out of 10.

Our use case is for financial groups and we use it to control malware, as well as for antivirus. Our focus is on using it as an endpoint solution, but we cover the older servers too.

Of course, we integrate Defender with Microsoft Defender Security Center and the Microsoft compliance score. We use these tools to check the maturity and to guide our clients in using the solution better. The result is that we see growth in security maturity.

When we need to create a new server, we follow certain steps. One step is activating the extension from within the server and using that to check and monitor, in a centralized console, the health of the server. Defender also provides additional information about vulnerabilities and opportunities to increase the overall security.

For example, it will tell us if a library being used has any vulnerabilities. This information is very important for us and for our clients. They use this information to go back to their developers and request fixes. Or it may identify a problem with something in a client's application, where they need another version to mitigate it. And again, when they apply the new version, we can check it using Defender to see if the vulnerability has been resolved.

The anti-malware feature is mandatory for us.

Also, we use policies to mitigate vulnerabilities, but the final compliance score from Microsoft shows us what level the client is at and what level is needed to achieve better results and increase security policy maturity. The integration of Defender, Security Center, and the Microsoft compliance score, is the feature we use most to share the results with our clients and to create a roadmap together.

I would like to see integrations with other products, such as Spunk and other CM solutions. That would create possibilities for me, and for a SOC, to consolidate all events in an older console, not one provided by Microsoft but provided by a third party, and use it to create more insights. Examples of such insights might be the need to create a new policy or the need to mitigate an attack happening now. This type of ability would create a new business case, one that doesn't only use Microsoft solutions.

I've been using Microsoft Defender for Endpoint for two years.

The scalability is amazing. Using Azure, the sky is the limit. You just need to understand the business case.

In some cases our clients have small environments, but in other cases they have big environments. Large clients may have 1,000 agents running. But as a consulting company, we work with many types of businesses and many environments of different sizes.

As I mentioned, if the client requests an integration with some third-party tool, we may need to use another tool or develop something to make this possible. But in most cases, you don't need to do so. You just activate it and check if your policy will apply or has already been applied to the server.

We have no problems with Microsoft's technical support. My team resolves level-one and level-two problems, but when we need to check something directly with Microsoft, when it's a level-three issue, we open a ticket and talk with the engineers.

Positive

It's so easy. All activity is in the cloud, for deploying the agents and policies. It's not complex.

You just click, one-two-three, and it's working. In some cases, the deployment takes minutes. If the client needs a particular window or has a critical application running on their machine, it takes more time because of that machine's situation. But in general, it just takes a few minutes.

The harder part, following this, is you need time, like with other tools, to check the events. The tool will provide some insights, but you need to understand them, and after that, share them with the client or with those responsible for taking action.

In addition to Azure, we have partnerships with AWS and Google. We focus on security and use Kaspersky as well. It's all according to the business case. We take the time to understand the business case and then build a draft solution, check it with the client, and after that, we choose the best tool, given the budget available from the client. We create one, two, or three options and the client selects what is best for them.

The main difference between Defender and Kaspersky is the scalability and the installation and deployment process which, with Defender, is so easy.

My advice regarding Defender is the same for any other security solution: Check what you need, what types of logs and whether you will consolidate these logs in another tool. What type of knowledge will you bring from those tools to create and apply new policies and anticipate security problems?

Always check your needs with the business case. Aligning them will help determine what you need to buy. Check inside Defender to see what you need to activate. Every new feature you activate inside the cloud is billed and you need to understand if you really need each feature.

Defender has some effect on the endpoint itself but it does not change the user's work processes. It is a single tool on the endpoint to monitor the activities that happen there, but it does not affect the end-user.

But you need to understand the limitations. There are some limitations with Defender when it comes to non-Microsoft solutions. But that's not unique to Defender. It's the same with every tool. You need to understand its limitations.

It is mainly utilized for telemetry collection and correlating specific behaviors or reactions to TTPs, IOCs, or indications of compromise. It is used for getting that level of detail. 

It is good for attack surface reduction, which is how you harden your endpoint so that they're less likely to be infiltrated or compromised if you have an operative in your environment. So, it's mainly used for reducing the opportunity for someone to compromise the system but also for rapid detection when that occurs.

Coming from an organization where the EDR wasn't strong, it has always been a case of basically searching through the information you already have and looking for something. It was basically trying to find the needle in a haystack. What the Defender platform does is that it reduces the size of the haystack, and it'll say that the needle is over here. Minutes matter, and it certainly zeros you in on the events that are concerning. It also simplifies the effort of trying to get some kind of correlation of behaviors or actions you see in the environment and confirming if something is benign or a threat.

Something that is unique to Microsoft is its licensing model. When you go out and you buy McAfee or Symantec, you know what you're getting out of the box, but with Microsoft, often, when you're looking to achieve a certain set of capabilities, those capabilities are spread across different products. You might try to do something you could do with CrowdStrike, but then find out that you also need to purchase Microsoft Defender for Identity or Microsoft Defender for Azure. You realize that when they talk about what they can offer within the Microsoft platform, it's really the suite of investments. So, sometimes, you may find yourself buying Defender for Endpoint thinking that it matches CrowdStrike, but then you find that Microsoft really needs to sell you something else. One plus one will equal three, but when you have a very concise platform, such as CrowdStrike, you know what you're going to get.

The other consideration is that because it's Windows native capability, your capabilities are largely influenced by what version of OS you're running. For a small-medium business, it is not a big deal, but at an enterprise scale, there are always Server 2000, Server 2003, Server 2008, Server 2012, Server 2016, Server 2019, and so on. So, you're talking about having six or seven different versions where your capabilities are not consistent between 2003 and 2019. It's like asking how robust was security in Windows 2000 versus Windows 2010. You'd say that they're not even the same OS from a security perspective, and that's crazy. When you buy CrowdStrike, you're deploying an agent, and so you get a fairly consistent set of capabilities that are agnostic to the OS version, whereas, with Microsoft, the capabilities are largely influenced by the OS version. For an enterprise, being up to date is a very big consideration to be successful with the platform. So, it forces your platform to not lag behind. You can't have the old server versions and expect that you've got a robust EDR. Defender shines on Server 2016 and higher, but if you were to do some type of penetration or red teaming exercise on a 2003 server, you'd be better off with CrowdStrike or pretty much anything else.

We've been piloting it for the last six months, and this is what we have selected to implement.

There are no scalability constraints because it's all in the cloud. It's a SaaS. So, they can take on more PCs than any Fortune 500 would even have. The only constraint is that in terms of scaling, the strength of the platform is highly influenced by the OS version. If you were largely using Windows XP and Server 2003, you would not want to choose Microsoft Defender as your suite.

It is fantastic, but sometimes, it could be challenging to navigate. If you buy something like a Carbon Black or a CrowdStrike, you normally have one sales rep and one sales engineer, and depending on the level of support you pay for, you may get premium or platinum support, which means you have a very concise escalation path. With Microsoft, there are 20 different account reps. There is a productivity suite guy. There is a security guy. There are so many different places, which can create some confusion at times, but there is no lack of resources. If you have an issue, there are so many Microsoft employees and reps who are engaged at the enterprise level that once you figure out who to speak to, you get traction pretty quick. So, in summary, because there are a lot more people, their support is really great, but sometimes, having a lot more people can also create confusion in terms of where to go.

It is easy. It is native. They're literally like checkboxes. There is really nothing to package and deploy. If you're at a current version, it is a policy. You just turn on the policy. You go through the setup of installing McAfee on your home computer with next, next, next, and finish, or Microsoft will say, "Hey, we noticed you don't have an AV. Do you want to enable Microsoft or Windows Defender?" You say yes, and you slide the box from off to on, and you're now protected. It is like that. It couldn't be easier. There are things like firewall rules and network considerations that have to happen, but from an enablement perspective, because it is native, it really reduces the burden of onboarding the platform.

We didn't go through a real comprehensive analysis when we made the selection. We did some light touching, but we really did not do some comprehensive analysis between Microsoft and CrowdStrike. 

At an enterprise level, a lot of the stuff is based on relationships. It's not like you're starting from a green field. You look at who is your strategic vendor and who is not. With Microsoft specifically, you always get bundle deals towards your renewals. It's always like if you buy more Office 365, we can give you a discount on Defender and things like that. If you don't have a relationship with CrowdStrike or someone else, it is hard for their rep to speak to your CEO or your CSO, but Microsoft does. They've already got standing monthly meetings with them. So, we've made a determination to go with Microsoft because:

1. The technology is compelling.
2. It is a strategic fit for us. 

I would rate it a nine out of 10.

Our use cases, and the way we deploy it, depend on the different situations we encounter.

There may be a company that is already using the Endpoint Protection solution and we have to do a migration.

Another scenario is that a company may be migrating away from another endpoint threat protection solution.

And there are some companies that are already using SCCM, and we may have to go through one of two scenarios. One is to co-manage with what they call Microsoft Endpoint Manager and Configuration Manager. If they are already using SCCM, and only SCCM, we will typically have to go through a process where we integrate SCCM into Endpoint Manager and then they'll usually bring some endpoints into Intune and they'll do a PLC. They have to Azure AD-join or register a device into that so it can be managed through Intune. They may even co-manage it for a while until they fully onboard into Intune only. A lot of people are looking to get away from co-management and managing through Endpoint Manager. But there are some prerequisites to accomplish that.

The endgame for most companies is they want to manage things from Intune only. There are different paths to get there, depending on what they already have in place.

Overall, Defender for Endpoint has created a better security posture, particularly in these COVID times where no one is on-premises anymore and they're working remotely.

More than anything, what I find most valuable is the holistic integration with all Defender products and MCAS. You can not deploy this in a vacuum. It's like most Microsoft technology. If you want to do a Zero Trust model and framework, you have to deploy things in a holistic solution.

Among the new features I like is that you can ingest your Defender events directly into your SIEM/SOAR product, particularly Azure Sentinel, although not a lot of people are using that and you don't have to be using it. You can ingest them into any SIEM/SOAR product directly.

There are features that have helped improve a company's security posture, now that remote work has come into play. Microsoft had to come up with a solution because identity is the new security plan. The largest attack surface is going to be your endpoints, so you have to be able to control your endpoints. There is malware that can collect IDs and it doesn't have to be from privileged accounts, it could be from any account. Once they get in, then they can start looking around to see if there are any security holes, move laterally, and get a hold of a privileged account. And if they get a hold of a privileged then they can just turn off all your security controls and get to your data and you've got a ransomware attack. With Defender for Endpoint, it's the combination. Every one of the features in it is equally important, but the most important thing is integrating it with the other Defender products, to create a holistic solution.

The best feature is the fact that for certain mobiles you can control your corporate profiles versus your personal profiles. That is amazingly important. Apple just supported the separation of corporate and personal profiles, whereas Android has been doing that for quite some time. You are better off as an organization, when it comes to BYOD—because Apple just now started supporting separation of corporate and personal profiles—to start with the version that supports that feature. If you go below that level, you don't get that feature, and it makes it very difficult to separate corporate and personal profiles. Because Android supports that, if an Android phone is lost or stolen, I can wipe out all the corporate-related information from that phone and not touch the personal side. I can separate the apps and I can separate the ability to cut and paste between apps. I can cut the ability from sharing files between apps between the personal and corporate profiles. From a data loss prevention standpoint, I can completely segment corporate apps and data from personal apps and data.

Another feature is that it is now supported across multiple platforms, where it was regulated at one time for just Microsoft-supported operating systems. That development is very important.

There are a few caveats, things we have run into. It's not easy to create special allowances for certain groups of users. It can be a little heavy-handed in some areas where Microsoft has decided to lock a feature out, meaning they make it hard to make an exception. I'll give you two examples. One company we work with needed to use about 20 different thumb drives for about 20 users. To make that exception for them was very difficult. In fact, you can't really make an exception. But what you can do is allow them to use it and, while it will still alert, you can actually suppress those alerts. Another example was where a group needed to be able to go in and manipulate their PC ERP settings. To make an exception for them was also a difficult process. A lot of people have suggested that Microsoft should not, by default, make it so difficult by locking your ability to make exceptions.

Another issue is that when you implement this it is not a single solution in and of itself. You have to implement what are called security baselines for each platform. But Microsoft does not have security baselines, other than for its own products. That means that when you want to do a security baseline for say, iOS or Android, you have to depend on other security organizations' recommendations and set the security controls to create those security baselines for other platforms. You would typically use CIS. But when it comes to iOS, it's a real pain. iOS requires you to create a security baseline for every version of iOS. Android does not.

I've been using Microsoft Defender for Endpoint since it first came out. They bundled it into M365 licenses, particularly E5 licenses or the equivalent, around 2019.

Like every other security product out there, the stability of Defender for Endpoint is a work in progress. The solution is trying to address a tough problem and anybody will tell you that cyber security is not a fair fight. It's just incredibly hard to defend against the bad actors. Everybody is scurrying right now to come up with different ways to stop the problem and it's just not there yet.

In terms of scalability, we have run into organizations that are very large and that have said it doesn't scale well. I'm part of MISA, the Microsoft Intelligence Security Association, and we did a review of all their products and they all had scaling problems, including SIEM/SOAR, MCAS, Endpoint Manager, et cetera.

There are two "fronts" for anybody who is using a SIEM/SOAR: one is how fast they can ingest, and the other one is how fast they can make decisions. You want to do this in real-time, or near real-time.

The ingestion problem is that you're ingesting a bunch of stuff from everywhere: from the network, from identity, from all your services, and your apps. It's a crazy amount of data. Some organizations are doing on the order of 5 billion events daily. How do you ingest all that in a timely manner and correlate it? You have to do it in a distributed way. There will be a top-level SIEM/SOAR and several underneath it that are collecting data for a particular location or a set of users. You trim that down and eventually ingest stuff to the top so that you can see things from the holistic viewpoint. Or you decentralize it, where office A and all its users have their own, and office B has its own, and you don't necessarily roll it up into a single, corporate-wide solution.

There are products out there that are addressing this by not storing the events directly onto disk, but into flash drives, so they're super-fast. They never put it on a disk and save it. You can have the option of saving it to disk for long-term retention. But the immediate ingestion of events is happening through flash drives. It sits in fast memory, never gets written to disks, and that's how they're speeding things up. And there are AI/ML engines pulling that stuff in and they can act much faster.

In addition, some AI/ML engines are more mature than others. There is a lot of work being done on that front. When it comes to Endpoint Manager there are a bunch of events coming from a ton of endpoints. It's no different than ingesting events from a thousand database servers. Or they could be from your whole application reference architectures, and your data analytics reference architectures. Everybody sees the problem coming, the problem of big data. That's what we are really talking about. There is a whole lot of stuff coming in and we have to make sense of it, figure out what's relevant, have a scoring system and prioritization system to make decisions fast. For example, the bad guys are able to get into your systems and, within 20 minutes, they've already done an assessment. Usually, if you're lucky, you can respond to that in 30 minutes. And if you're a huge enterprise, you may not even be able to respond that fast.

That's the reason everybody says it's not a fair fight. We don't have the tools right now to react fast enough.

As for how extensively it's being used by our clients, anyone who is going to use it plans to use it as a one-stop solution. They won't be using multiple solutions and they will roll it out to every endpoint. It makes perfect sense to do so because you don't want to have multiple products and require your staff to have knowledge of multiple products.

For big corporations, it takes a little while to get there. It's something that has been evolving for 30 years now. Organizations want to settle on a standard desktop and want to be able to do configuration control that allows them to control the apps and the usability from a security standpoint. It used to be, "Let's make it easily usable." But now the industry is flipping that over to, "It has to be secure." The vendors have finally come to the point where the balance between usability and security is leveling out.

I've used multiple solutions in the past. We switched based on our customers' requests. Some do it for solution architecture reasons and some of them do it for enterprise.

The enterprise customers say, "Oh, we know we need Endpoint Manager, but we need to align a solution with our business requirements first. Before you even select a solution we are going to look at our business requirements, then do a bake-off possibly, and then select a solution." Or they'll just look at industry ratings of the solutions and say, "Oh, this is the best one," not knowing that those ratings don't necessarily look at every new solution out there. There are so many. We are a VAR and we resell hundreds of security and regulatory compliance products. Usually, unless they bring us in at the early stages of the process, our clients have already picked a solution.

The initial setup is very complex. To me, it's one of the more complex solutions because it touches so much. I have to know every platform and every platform version, when I create security baselines. As I mentioned, certain versions of iOS don't support the separation of corporate and personal profiles, and then you run into the scenario where they're already using some other endpoint protection and they want to migrate it to Microsoft Defender for Endpoint.

Or there is the scenario where they are using SCCM and to then use Microsoft Defender for Endpoint you should really require Endpoint Manager, meaning that you have to transition to that. And as I noted, making exceptions is hard. 

And when you integrate it across all the Defender products, and are managing a project like that, you have to get to a point where they're ready to be integrated, which is an issue of timing. So it's one of the more complicated things to roll out, compared to Defender for Identity. Defender for Office 365 is pretty large too, but Endpoint is the hardest of the three.

It even touches identity, because there are Azure Active Directory conditional access policies, and those are connected with Endpoint Manager. You've literally got to look at what policies and what setup within Endpoint Manager can apply to different versions of iOS. You have to dissect so that if you're going to do BYOD, for example, and allow a version of iOS from some early version and up, you have to understand that there may be some options that you can use with one version that you can't with others. It's much easier to do with Android than it is with iOS.

When you start heading down that path, it's a maturation process. You have to roll things out in phases. It's a very complicated product. Like with SIEM/SOAR products, when you start getting events, you could be flooded with them. You have to learn to tune it, so that you can differentiate the trees from the forest. You have to correlate things and automate your responses. That type of tuning process is a long process one to get the clutter out.

A product like Sentinel is pretty cool because it has predetermined workbooks, and predetermined manual and automated responses. It has playlists. They are making it very much easier to trim that clutter and to get to the nitty-gritty, and they have done so with Defender for Endpoint.

The deployment time, with fine-tuning, depends on the size of the organization. If it's a small or medium business, it could take three months to deploy and tune, and it could take longer; up to six months. It depends on many factors that I've mentioned, such as if they're migrating, or if they have an integration between SCCM and Intune. It also depends on the expertise level of the organization, its maturation level, and skill sets. All of that comes into play.

It also depends on their starting point in terms of some of the prerequisite services. You don't generally roll out Defender for Endpoint until you've got identity governance and protection. That's the first thing you do because everything is dependent upon that. After that, the prerequisite is rolling out Endpoint Manager, and then Defender for Endpoint. If it's a hybrid situation, you may roll out Defender for Identity so you can cover your Active Directory controllers and provide threat protection for them, although you can do all the "Defenders" in parallel; you just have to time them correctly so that when you integrate them together they're ready to go.

For large organizations, it could take a year or two. For example, if there are half a million endpoint devices—and that's possible if you have an organization with 200,000 employees and contractors, and each has a laptop and a mobile—it can take some time.

In terms of an implementation strategy, I have developed work-breakdown structures for just about every Azure service and almost every Azure M365 service. They look at working with them holistically, but they are broken down into each individual service and mention the other services within the work-breakdown schedule, and how you integrate them. The first thing I do is a current-state assessment and that gives me an indication of the readiness for deployment. The next steps are plan, design, deploy, manage, secure. There are strict sets of security controls and I have to gather every single one of those per platform. It's quite a long process. It follows the saying, "If you fail to plan you plan to fail."

As for staff required to maintain Defender for Endpoint, once you get it set up and tuned it's not too bad. It depends on the size of the organization again. If a business has 100 people, one person can do it easily. If there are a few thousand people, you may need two or three people. It often depends on your getting all the features rolled out. In IT it often happens that we roll stuff out and we always intend to get to that other piece but we just never get the time to do it. Many organizations are going to a lean staff and bringing in consultants to help roll things out. For us, as a contractor, it's great. Our business is booming.

Most organizations that we have come to want to replace their current endpoint protection solution for Defender. A reason many of them do that is that they aren't pleased with whatever they have. They may not know what features are relevant and just don't know how to roll them out. They realize, "Oh, I bought M365/E5 licenses, and Defender comes with them already. Why not use it?" 

Most people don't realize M365/E5 licenses are an amazing deal. They think "Oh, it's expensive," and I'll ask, "Compared to what?" If you don't have it you will have to buy licenses for multiple products to fill the same security space that you would have gotten with the Microsoft product. Go figure out how much it costs you per product, per user, and then come back and tell me how things add up financially.

If our client brings us into the process at the right time, we evaluate products for them, since we're evaluating products constantly. That's part of what we do. We have to know, through a deep-dive, the pros and cons of each. We are constantly being updated by our vendors about how they're addressing a particular security area.

Is Defender for Endpoint the best product out there? No, it's not. I can think of several others that are pretty amazing. It's still a product that's evolving, but it does a really good job for the most part. It does the best job when it is integrated with the whole Microsoft holistic solution. If you look at Microsoft's site, you will see what capabilities Microsoft has. They will show you how these products integrate and work together to give you a holistic solution to develop a Zero Trust model framework.

And while it's not the best solution overall, some of the pieces are. There are several areas where Microsoft is good or better than most, and then there are some weaknesses when you do Zero Trust. They don't have a secure web gateway product. Their MCAS or CASB product leaves a little bit to be desired. There are other solutions, in those two components of a Zero Trust model, that do a much better job. Zscaler probably has the bulk of the business but I'm a big fan of Netskope. There is Crowdstrike, and Forcepoint may be making some inroads because they just developed a new anti-malware technology. But none of them are going to be perfect because malware is a hard problem to solve.

There is also a new product I just reviewed for M365 Security that is pretty amazing on paper. Although I haven't actually kicked the tires on it yet, it looks really good and it's from one of the fastest-growing companies out there.

Think of it like this: If you don't buy E5 licenses or the equivalent with M365, you don't get Defender for Office 365. People don't realize that product is a kind of a split product. It's a multi-function product. It has some DLP pieces that work with MIP and it has some pieces that work with the Office 365 outlying suite. It's a little bit of a funky product.

But one of the things it has is a part of your Exchange Online protection. Without it, you don't get the features like anti-spam, anti-virus, safe links, and safe attachments. That combination addresses what is called a combined attack. You get an attachment and the attachment may have a link in it, or you get an email that has a link in it. They all look legitimate. If someone clicks on it, it takes them to a malware site, and bam! You just downloaded it into your computer and now endpoint protection comes into play.

Eighty percent of malware is still spread via email today. That's how they attack you. They're trying to penetrate your apps and they're even trying to penetrate your M365 online apps. This product works inline and they've already proven that, even with Defender for Office 365, there are still malicious messages getting through. The bad actors figure out how. They actually buy the product and figure out where its weaknesses are and they attack it. Because it's such a popular product it's the one they're going to target. It has the biggest attack surface. They've been attacking the weaknesses of M365, particularly the Exchange Online protection and all the weaknesses in Defender for Office 365. They've just been clobbering it. We're having a lot of people say to us, "Do a security assessment on our M365". All I can tell them is that it's not their problem as much as it's the product's problem right now.

Microsoft is trying to address things as fast as it can, but it's going to take months to get there. But here is another product you can add on that can help you fill those flaws. What this other company has done is that they've said, "We'll fix those flaws for you and we'll make it an easy process to do so." Usually, the circumstances in which you need an email security gateway is when you don't have an E5 license. But now they're even attacking that. And when that happens you have to change the MX record. With this new product that I've read about, you don't have to do that. It just supplements the weakness of M365, not only in Exchange Online protection but throughout all the other apps, like Sharepoint, Teams, and OneDrive. That's pretty impressive. And it works with all those products easily, without change in administration or training. It installs in minutes. I was floored when I saw that.

The organizations I have worked with that are using Microsoft Defender for Endpoint are mostly small- and medium-sized businesses. Our larger customers are generally not using it.

There was a service built within our organization, a service that is very much hooked in with CrowdStrike. If you've ever seen the CrowdStrike products, you'll understand why. They are pretty impressive products. They do some things that help them see malicious activity in near real-time. Can they react to it in near real-time? No. But like everybody, they are trying to find a way to be able to react faster. They just bought a company called Humio, which is a SIEM/SOAR product I referred to earlier that does not store events directly to disk, so it can act on things much faster.

Used alone, I would rate Defender for Endpoint a seven out of 10. When integrated with other Microsoft products, I would give it an eight. It really depends on other pieces of the solution for Zero trust to work properly. It won't work well if you deploy it by itself. If you're going to use Defender for Endpoint, you should also use Defender for Identity, Defender for Office 365, and the full gamut, including MCAS and MIP, and then you will need your SIEM/SOAR. It's a long journey. And you had better have done your identity very well. If you haven't, it won't really matter what you throw in place, once they breach your identity plane. That's the most important one. I can put every possible safeguard in place, but if someone gets the keys to the kingdom, I might as well just turn them off.

It is a comprehensive monitoring solution for all user activities and their associated details within our tenant. All data flows seamlessly through Sentinel, streamlining the process and ensuring thorough oversight of our environment.

It enhances our security posture. It seamlessly integrates with all our systems, particularly across our Microsoft infrastructure. It offers insights into threats, furnishing information about potential security risks within our environment. It effectively sets up alerts to notify us of any suspicious or unusual activities. The prioritization of threats holds significant importance. It concentrates on the most crucial threats rather than overwhelming us with all potential risks. It excels at organizing and highlighting those critical threats, providing a level of efficiency beyond what I've observed elsewhere. It has proven to be a cost-effective solution, saving both time and money, as the adage goes—time is money. Specifically, it has significantly reduced our time to detect and respond to incidents. Its real-time threat detection and blocking capabilities contribute to these improvements.

The most valuable aspect lies in its automation capabilities, particularly within security automation. It contributes to more efficient time management for us and it provides an efficient way to keep track of user actions and maintain a secure and well-monitored system.

In terms of improvements for their technical support, a focus on enhancing response times could be beneficial.

I have been using it for approximately five years.

The stability is excellent and I've never encountered any issues; it has consistently performed well.

The scalability is impressive, especially since we use it in the cloud. It works seamlessly without any issues.

Microsoft's technical support is commendable. I would rate it eight out of ten.

Positive

Overall, I would rate it nine out of ten.

Microsoft Defender for Endpoint provides visibility into our workstations at SOC. 

We can react to threats faster and stop them from spreading from one machine to another. It protects from suspicious email attachment downloads. It will lock down the SOC and the workstations. 

It is an EDR product that offers much more information into what's happening at our workstations. 

Microsoft Defender for Endpoint's licensing is confusing. It has conflicting information on the website. We also faced integration issues with other systems. It makes laptops slower than traditional antivirus systems. 

I have been working with the product for a year. 

Microsoft Defender for Endpoint is stable. 

The tool's scalability is good, but we must consider the cost. 

We get good ROI with the product's use. 

The product's threat intelligence prepares us for potential threats and helps us take proactive steps. Its vulnerability management feature is important to us. 

Microsoft Defender for Endpoint has improved our security posture by giving visibility to our endpoints and vulnerabilities. 

The tool helps us save months per year. It also helps us save money in manhours.

 Microsoft Defender for Endpoint has reduced our time to respond and time to detect by a large margin. 

We chose the product because we already use Microsoft products, and it better integrates with them. 

I rate it an eight out of ten. 

We use Microsoft Defender for Endpoint to secure our workstations, laptops, and servers. It helps us to do virus scanning and malware protection. 

Microsoft Defender for Endpoint is free and part of the licensing stack of other Microsoft products. 

The product should reduce updates since it is hard to keep up. 

I have been using the product for three to four years. 

The tool's deployment was simple. It took about a month to complete since we have over 5000 servers across various platforms. 

Microsoft Defender for Endpoint helps us save time since we don't have to keep a separate semantic console. 

We can see the threats as soon as they come in. Our security team gets notifications. 

I rate it an eight out of ten. 

I am a SOC analyst and I use Microsoft Defender for Endpoint to investigate endpoints in our environment and malicious activity.

The visibility into threats that Defender provides is excellent. The logs I receive are quite comprehensive, allowing me to see what is happening on each endpoint, including the running processes and generated alerts. It does a pretty good job of detecting when certain events occur, which helps me stay attentive to potential issues. Overall, it offers significant visibility.

Defender does a good job in helping to prioritize threats across our entire enterprise because it provides me with context by distinguishing between high and medium threats.

We also utilize Azure Sentinel, Defender for Cloud Apps, Defender for Identity, and Office 365. These solutions are integrated together, and whenever one of them receives an alert, it is sent to the main alert queue. I would give the integration an eight out of ten.

Sentinel allows us to collect data from our entire ecosystem. We primarily use it for the network firewall logs, but it can also handle other types of logs.

Sentinel does an excellent job of providing us with comprehensive security protection and visibility into security alerts and incidents. It informs us about policy violations, such as foreign user sign-ins and sign-ins from multiple or different devices, among other things. Therefore, it offers greater visibility beyond just phishing alerts.

Microsoft Defender for Endpoint has significantly improved our organization by identifying the activities of individual users and effectively hunting for any threatening activities they might engage in. For instance, if a user downloads a malicious file or clicks on a malware-infected link, the software can promptly detect and mitigate the issue on the server.

Defender helps to automate routine tasks and the identification of high-value alerts. Sentinel aids in the automation process by allowing me to address the issue of numerous false positives. Specifically, I automated the handling of certain false positives that originated from a particular IP range. This IP range was generating false positives due to a flagged server, even though the server itself was not actually malicious. In such cases, Sentinel proved to be beneficial as it facilitated the automation and removal of unnecessary noise.

Microsoft Defender for Endpoint has helped save us the trouble of looking at multiple dashboards by providing a single XDR dashboard.

Microsoft Defender for Endpoint has been instrumental in saving us time, especially by identifying true positives instead of wasting time on false positives.

I enjoy using the live response feature, which allows me to remotely access different endpoints and investigate malicious files, such as malware that people may have downloaded, and other related issues.

Threat intelligence has the potential for improvement, particularly by integrating more sources. This will enable us to accurately identify when a domain or an IP is malicious. If we could obtain information from external sources, it would reduce the need to use different open source tools to verify whether a domain or IP is malicious or not.

I have been using Microsoft Defender for Endpoint for a year and a half.

Microsoft Defender for Endpoint is stable. I have only experienced one crash.

Microsoft Defender for Endpoint proved to be scalable in our environment, supporting over 500 endpoints.

I have also used Splunk. Splunk is more modular and portable, allowing us to integrate it with a wide range of different tools. In contrast, features of Defender and Sentinel, such as those provided by Microsoft, do not integrate well with as many other options.

I would rate Microsoft Defender for Endpoint a nine out of ten. It provides me with greater certainty regarding malicious activity compared to Splunk, which demands much more analysis. Defender for Endpoint performs a significant amount of work in terms of identifying and validating malicious elements. This saves us from having to read and interpret a large number of logs. It takes care of the interpretation and conducts about half of the log analysis on our behalf.

I still have to conduct threat intelligence on my own, such as open-source intelligence. I don't automatically search VirusTotal for things, but I still end up doing my own source searching.

It's an AV and EDR. The AV is integrated with the OS and, once you onboard the devices through a portal, it also functions as an EDR.

The main reason it has improved our organization is that it is integrated with the entire Microsoft 365 suite. We get a lot of functionality and a centralized way of operating or controlling all the devices in the environment.

The solution automates routine tasks and the finding of high-value alerts. That helps a lot. I worked with a different product before and, if we wanted to check if a specific application was affecting our organization, we had to get the application details and then search in the EDR console or on the devices for those application details. But with Defender for Endpoint, you can simply put the application details in a query and run it, and that becomes a customized detection. I don't need to check for the same application again and again. I can get an alert whenever it pops up again.

There is integration with all the products, whether Defender for Cloud or Microsoft Purview or Office 365, so we have a centralized console. There is a sync so that you can get all the alerts in different portals on a single portal. That consolidation makes things easier because we don't have to navigate to multiple portals to check for all the information. Before, we used to only get basic details, like the title or the category of a particular alert. But now, since it is also syncing with Sentinel, we don't need to go to the Defender portal. We can view the entire alert story and related devices, or potentially affected devices, and which devices could be the next targets.

Another advantage is that the threat intelligence helps us proactively prepare for potential issues before they strike. There is an option to check for vulnerabilities and that is not only limited to our organization or the license we bought. We have one filter that will show all the potential threats in the market or that other customers might have reported. We can view them and the steps they have followed. There are all the CVD details that are not affecting our organization, things that are still new in the market, and it will give the remediation steps for them as well.

In terms of deployment, management, and manual efforts, it has saved me a lot of time. Previously, I would review each alert. That meant, during a given week, that I would be on alerts for three or four days, and only then would I go on to other things. It has saved me a couple of days a week because of the automation and auto-suppress rules, which are configured to automatically resolve an alert and trigger an email to me that the alert has come up and the action has been taken.

Because it has been integrated with the OS, we get the entire software inventories, and we even get access to the registries. Those are the primary features. We also have something called advanced hunting, which uses SQL tables to list out all the details of the device and that is also used for threat hunting.

Defender for Endpoint also helps prioritize threats across our enterprise, and we have an option for customized detections, which is an additional feature that differentiates it from other products. The customized detection helps us identify threats.

I would like to see improvement from a management perspective. We have had to depend on Intune for certain tasks.

I would also like to see additional features related to device control. For now, it has all the common features that other EDR and AV products offer, but device control is missing. Device control means automatically syncing the devices without any dependency on other products, like Intune, SCCM, or even Azure. If it could sync between products after only adding it to one product, that would be great.

I've been working with Microsoft Defender for Endpoint for close to one year.

It is stable.

It is also scalable. 

Since it's an AV and EDR, you can use it at any location and on all the platforms, including Android and iOS.

Support depends on the support contract you have. The Premier support contract is comparatively efficient.

I would rate their support at eight out of 10. Sometimes, because they have multiple teams, there could be a delay with a ticket going to a wrong team. But once it is routed to the correct team, we get good support.

Positive

I worked with one similar solution, which was VMware Carbon Black Cloud. Defender for Endpoint has the advantage because Carbon Black is a third party to the OS. That is going to create a lot of additional work to manually deploy things, check the installation, see if it's parsing. There could also be compatibility issues. Because Defender is integrated with the OS, you don't need to do those manual tasks to install the product or work through the compatibility issues.

It is pretty straightforward to deploy. There isn't any manual effort, even if you are a new customer and migrating from a different product to Defender. All you need to do is get a license and the credentials to log in.

In the back-end, if we were to deploy the new tenant, it would be on Azure, and there are a series of steps to follow, nothing complex. It's just a GUI. You just need to give the device count and the geographical location. It takes four to five people for the deployment. 

Once the deployment is done, you don't need to constantly monitor it, but four people would be good for operations: two people to manage the devices and configuration, and the other two to review the alerts that are coming and analyze the vulnerabilities. Once a month you should review and update the software. Other than that, there is only maintenance when there is an issue. The signatures are updated automatically.

You can manage the devices on-prem, but if you want the EDR solution, it's completely cloud. You still have the option to control the devices on-prem through SCCM or any other integration, but ideally, it's cloud-based. The back-end portal is on Azure, but the console or tenant for users or management is a different portal. It's not on the Azure portal, it's a different URL.

The time it takes to see benefits depends on the end-users' requirements or which products they want to integrate it with. In my case, after two or three months I felt like I had found the good things to integrate it with and had a centralized way to manage them.

The solution has saved us money compared to the other products we use, but it depends on the situation. If there are multiple integrations, you have to get the licenses for those as well. But in our case, comparatively, we have saved money.

We did consider other options, CyberArc and Trellix (which is the new name for McAfee products). But the ease of using Defender for Endpoint and the reduction in manual efforts are why we went with it. Also, collecting and reporting on the data was easier.

The visibility into threats that the solution gives us is the same as other EDR products. But one advantage I have noticed, because I have experience working with a couple of other EDR products, is getting the complete device registry information. If we want to query anything or look into the complete alert or vulnerability details, we can get to the core. We don't need to depend on getting access to the device. We can do it from a centralized console.

I've seen a lot of people saying that they are looking for feature X but it's not there in the product. Most EDR products function in the same way, but they call features by different names. My advice would be to consult with Microsoft's Fast Track support engineers. They can guide you and explain every feature. Go for that first and then implement it.

I would definitely recommend Defender for Endpoint because going with a third party would require a lot of maintenance. For smaller companies, Defender for Endpoint would be more cost-efficient than requiring more headcount to do more maintenance.

We used it as an EPP and EDR solution. 

Microsoft Defender made the work quite easy because we didn't have to rely on multiple tools, and we could look at one thing. It had a specific endpoint-level reporting standard as well where you can see the vulnerable threats and the outdated versions. It was very convenient.

We had certain compliance and usage issues. For example, our company wanted to go with CIS, but we didn't have a proper way of measuring whether the endpoints have the right standards in place or whether they were compliant with CIS. Microsoft Defender was like a one-stop for most things because it gave us the vulnerability and patching scores so that our vulnerability management teams can focus on covering up the vulnerabilities and the patching team can check the vulnerable versions and deploy the right versions. It had multiple advantages for us in terms of patching, vulnerability management, adhering to security standards, and EDR and AV capabilities. 

Microsoft Defender was pretty interesting in terms of visibility. When we compare the solution that we had before with Microsoft Defender, there is almost a night and day difference. Microsoft Defender is pretty advanced with the threats. We used to run, simulate, and see whether we were prone to the latest vulnerabilities. It was a pretty good solution in our experience.

It definitely saved us a lot of time. I don't have the metrics, but because it was a one-stop place, we didn't have to navigate through all the controls and go from one place to another to look for different reports for each section. We had one tool that could do everything in one place. It would have definitely saved us nearly one-fifth or 20% of the time. It would have also saved money because you rely on one single tool for multiple things. When you go with the premium suite, you get other tools as well. There is definitely a cost-saving aspect.

It came in a suite. There were multiple other products that were included with it as well in the premium suite. Another factor was that you don't have to invest in two products, and you can get both components, the EPP and the EDR, in one. You can also do simple vulnerability management, CIS hardening, and things like that from Microsoft Defender. Those were the main reasons for considering it back then.

I haven't used the product in nearly eight months. I use it on my device, but I haven't used it at an administrative level. Previously, with Microsoft Defender, we used to have certain problems with the Mac machines, but later on, they came up with various ways so that we could use the MDM solution to do the job. They provided pretty good support. Their engineers came and tried to figure out the solution.

I'm not too sure of its current capabilities, but I'm pretty sure they are doing a good job on Windows and Mac. However, I'm not sure whether they covered Linux. If I remember correctly, Microsoft Defender didn't have anything proper on Linux back then, but if they have improved it from that aspect, it would already be ticking all the boxes.

I have used Microsoft Defender for eight months to one year in my previous organization.

In comparison to the other solutions that I've had experience with, Microsoft Defender was very good.

It was definitely scalable. In my previous organization, we enrolled more than 20,000 endpoints.

It was pretty good. At that time, Microsoft Defender was very new. When they released it for Mac, that's when we got hold of them. There was a time when their support engineers learned certain things from me about it, and I also did learn something from them. It was a win-win situation for both of us.

I would rate their support a seven out of them. The level of support depends on the complexity of the issue. If an issue is small, anyone can solve it, and it wouldn't take much time, but when you run into a complex problem, you need proper people coming in quickly and giving you some support after looking into the issue. Ideally, if they are very well-trained at all levels, that would be good.

Neutral

We had other products for antivirus and EDR. We removed those two products and replaced them with Microsoft Defender. They both were pretty good solutions in the market back then. One of them is a pretty good solution even now.

We found Microsoft Defender pretty good when we did the PoC as compared to the rest of the tools. Some of the solutions were only antivirus, and some of them were only EDR, whereas this particular tool had a lot of features built into it. So, one agent could do many things. Another reason for going for this solution was that the company I used to work with was a bit biased toward Microsoft. They were a Microsoft customer, and they were comfortable with Microsoft. 

The reliability of support was one of the reasons why we chose Microsoft. When it comes to tools, there are always requirements related to budget, level of support, and other things. When you go for a PoC and look at the demo, you might think a product is stable, but when you run into a problem, the support could be weak. In such instances, what's the use of the product if you don't have good support or if they take at least two to three days to solve a small issue?

I handled the Mac machine part of it. Initially, setting up policies and getting all the configuration profiles in place was a bit of a challenge because they didn't have proper documentation at first. During the PoC, there were not many documents or support articles, but when we were in the deployment phase, they had everything, even specific to particular MDMs, which made it very smooth. We ran into a couple of small problems, but that's pretty common in every deployment. Other than that, it was pretty smooth. 

From Microsoft's side, there is a pretty good deployment strategy in place, but different companies have different objectives and different ways of working. There are situations where certain users and groups might need something specific but other users or groups don't. There could be multiple groups of users with different expectations. So, it is pretty straightforward, but like with any security tool, there could be internal user-level challenges. However, for a company that does not have a very complex environment, it should be a piece of cake. It should be pretty easy.

In terms of our implementation strategy, we first targeted the least impacted devices because we didn't want high-end or critical users complaining about having issues. So, we selected the low-priority users and implemented it for them, and then we tested it out. After that, we implemented it for users with higher priorities. We gradually moved based on the severity.

In terms of maintenance, agent updates are required, which we scheduled automatically. It didn't seem to need much attention. If the product is in a non-complex environment, it won't have many issues, but in a complex environment, there will be some because of VLAN restrictions, network connectivity limitations, etc. We also had issues where agents were not communicating, but it was not because of an issue with the tool. It was mainly because of the complexity of the environment in terms of networking and architecture.

Microsoft Defender decreased our time to detect and time to respond. However, we didn't completely rely on one solution. We had other means as well. We used to have another EDR solution as well, and we used to run both together.

I would definitely agree with a security colleague who says that it’s better to go with a best-of-breed strategy rather than a single vendor’s security suite. For example, if you are a one-vendor customer, the day the vendor gets hit with zero-day or any huge attack, none of your tools or software would work. Your data and other things are also at risk. So, having multiple vendors is good because you'll be covered by different products. 

Microsoft Defender's threat intelligence helps to prepare for potential threats before they hit and take practice steps, but there was another team that was using the threat intelligence and reporting capabilities to see whether the organization was ready. In my previous organization, we had overall IT support, which was then divided into nearly 20 different teams. We had one team specifically to do one specific job. 

For prioritization of threats, if I'm not wrong, Microsoft Defender gives you a severity value. I haven't been in the admin part for long, but it gives you a severity value. Based on that, you can prioritize your threats.

I would rate Microsoft Defender an eight out of ten.