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Microsoft Defender for Cloud Apps vs Zscaler Zero Trust Exchange Platform comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Feb 8, 2026

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

iboss
Sponsored
Ranking in Cloud Access Security Brokers (CASB)
7th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
20
Ranking in other categories
Secure Web Gateways (SWG) (5th), Internet Security (3rd), Web Content Filtering (1st), ZTNA as a Service (8th), Secure Access Service Edge (SASE) (8th)
Microsoft Defender for Clou...
Ranking in Cloud Access Security Brokers (CASB)
5th
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
42
Ranking in other categories
Advanced Threat Protection (ATP) (14th), Microsoft Security Suite (11th)
Zscaler Zero Trust Exchange...
Ranking in Cloud Access Security Brokers (CASB)
8th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
67
Ranking in other categories
Data Loss Prevention (DLP) (6th), Application Control (5th), ZTNA as a Service (1st), Secure Access Service Edge (SASE) (2nd), Remote Browser Isolation (RBI) (1st)
 

Mindshare comparison

As of April 2026, in the Cloud Access Security Brokers (CASB) category, the mindshare of iboss is 3.3%, up from 1.7% compared to the previous year. The mindshare of Microsoft Defender for Cloud Apps is 5.5%, down from 9.5% compared to the previous year. The mindshare of Zscaler Zero Trust Exchange Platform is 9.2%, up from 9.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Cloud Access Security Brokers (CASB) Mindshare Distribution
ProductMindshare (%)
Microsoft Defender for Cloud Apps5.5%
iboss3.3%
Zscaler Zero Trust Exchange Platform9.2%
Other82.0%
Cloud Access Security Brokers (CASB)
 

Featured Reviews

reviewer2701851 - PeerSpot reviewer
Managing Director
Enhances web security with a single pane of glass and flexible deployment
I don't see any need for improvement; one of the really good things about iboss as a company is that they listen to customer feedback. I have suggested enhancements, and they are responsive, making changes for the better, and they do a lot of testing. To improve iboss, although we haven't used it, we considered the VPN solution that comes with the highest tier licensing, which includes DLP and various other add-ons. We prefer using another product which automatically logs you back onto your network when turning on your PC. With iboss, the connection is manual, which doesn't meet our needs. Additionally, sizing can be tricky because, although the initial recommendations may seem adequate, actual usage may require more gateways than anticipated.
FV
Security and Continuity Manager at Rolinco NV
Deployment has been seamless with insightful data categorization and enhanced control
The features of Microsoft Defender for Cloud Apps that I have found most valuable include the overall portal view, with bubble graphs which give us insight into what goes where in the categorization, nowadays with Generative AI but all kinds of categorization, collaboration, etc. That central view of the portal is very useful for us. The impact of Microsoft Defender for Cloud Apps on our organization's ability to assess and manage app related risks has been significant because we have more visibility. Therefore, we can add more control, and we have already done so. This was not possible in the old solution, in the old CASB solution with Netskope. We now can see on the spot, and we do that almost weekly, what the end users are utilizing, which cloud providers or cloud apps they're using. The visibility into OAuth apps provided by Microsoft Defender for Cloud Apps is very good. The visibility into risk and risk management of our organization's Generative AI apps is very nice, as you can choose the category Generative AI and then see exactly what traffic has been going to and from Generative AI in the cloud. This makes us very insightful on what is used within the company. We have some policies on blocking specific Generative AI, and we use within our company one particular AI part, which is CoPilot of Microsoft. In this way, we can see what the end users are using other than CoPilot, and that makes us more in control. The effectiveness of the integration of Microsoft Defender for Cloud Apps with Defender XDR and defending against SaaS attacks is very intuitive. It works immediately if we create a new policy or in Purview or in Microsoft Defender for Cloud Apps, or when we make an app unsanctioned by blocking it, then it is almost immediately, or at least within a couple of hours, effective on all the endpoints where the EDR is running. This gives us much better control over things than before.
Vibin Thomas - PeerSpot reviewer
Team Lead, Technical Content Security at Valuepoint Systems
Zero trust access has transformed remote connectivity and now simplifies secure app usage
Zscaler Zero Trust Exchange Platform, especially Zscaler Private Access, is very strong, though there are a few areas where improvements can be made. One challenge observed is around initial troubleshooting and visibility. While Zscaler Private Access provides logs, it can sometimes take time to pinpoint the exact cause of access issues, especially in complex environments with multiple policies and identity integration. Another area is the dependency on identity and connector health. Since Zscaler Private Access is heavily reliant on app connectors and identity providers, any issues with these components can impact user access, making proper monitoring critical. During the initial setup, policy configuration and application onboarding require careful planning, especially for larger environments with many applications. These challenges are manageable with proper design and monitoring. Overall, the platform delivers strong security and user experience. I would recommend a few improvements, especially around user interface, reporting, and troubleshooting experience. From a user interface perspective, while the platform is powerful, the policy configuration and navigation can feel complex, especially for new users. A more simplified and intuitive layout for policy mapping and application access would help reduce the learning curve. In terms of reporting, Zscaler Private Access provides logs, but having more built-in customizable dashboards and analytics would be very helpful. Better visibility into user access patterns, application performance, and real-time troubleshooting insights would improve operational efficiency. From a support and troubleshooting standpoint, it would be beneficial to have more granular centralized visibility, allowing for quick end-to-end tracing of a user request from authentication to application access without switching between multiple views. These improvements would make the platform even more efficient, especially for large-scale enterprise environments.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"We chose iboss for both zero trust and proxy (SWG) because their SWG was superior."
"iboss is easy to use despite its complexity. Multiple engineers manage it, but it's significantly more straightforward to administer than traditional VPNs and web proxies."
"Because of iboss, I did not have to assign web filtering tasks to my techs on a daily basis."
"From a corporate perspective, I understand that it's important to keep the company data safe."
"Its initial setup was straightforward."
"We were impressed by the solution's mental health function, which can detect if someone needs help. It scans what users are browsing and flags warning signs so we can check to see if they are okay. We've had to use it a couple of times."
"The security aspect of the solution, particularly the malware behind it, is excellent. That's something that really helped us out. It's not just a simple proxy that just blocks the insights of potential threats that come on behind it. They do malware detection and that helps us a lot."
"Content filtering is the most useful feature of iboss."
"It is very easy to use, which is what we look for in these types of solutions."
"The product helps us with privileged identity management to control who has access to what and for how long."
"Everything from Microsoft is integrated. You receive regular reports on them all. You can push your reports, logs, and security alerts, which are all integrated. It is crucial that these solutions work natively together to deliver coordinated detection and response across our environment."
"In Microsoft Defender for Cloud Apps, there is an option to enable files. Once you enable that, it will give you all the files in your organization and where they are located in the cloud... That feature is very useful for investigation purposes."
"The most valuable feature is its policy implementation."
"If your business requirements are relatively simple, it can get the job done."
"Overall, Microsoft Defender for Cloud Apps is very convenient for investigation, in terms of security breaches, or if there is file exfiltration."
"The feature that helps us in detecting the sensitive information being shared has been very useful. In addition, the feature that allows MCAS to apply policies with SharePoint, Teams, and OneDrive is being used predominantly."
"It has some good data security and WIP features, providing secure Internet access."
"It's one of the easier products on the market as far as set-ups and deployments, and even across their whole product suite, they've made it pretty simple."
"The solution is cloud-based with the latest inspection engines, which I find to be amazing."
"The agent's versatility is notable, used for digital experience monitoring to collect valuable endpoint metrics for troubleshooting."
"You can close your data protection gaps with Zscaler. You can quickly find all the classified, sensitive data across the cloud."
"The initial setup is easy."
"Zscaler SASE is probably the number one cloud-based proxy security solution."
"Sandboxing, DLP, and SSL inspection engine are the most valuable features of Zscaler SASE."
 

Cons

"Sometimes, obviously, there are bugs."
"Sometimes when you call in support, you get someone who is just following a sheet. It feels like a runaround. You feel that you are running into that support wall."
"Fold that in with the risk intelligence they're getting from all of the different subscriptions they are a part of. Now, these security companies subscribe to things like emerging threats, databases, etc. You can fold all this intelligence to decide what's happening on an endpoint. I would love to see them start moving into that space. That would compete directly with Microsoft. Maybe that's why they haven't. Having that ability native within the solution would be great. The other area in which I would love to see improvement is more detailed descriptions of why they block websites."
"File integrity monitoring would be very advantageous as an additional feature."
"The dashboards for local use could be better."
"The reporting feature needs improvement. It doesn't give you the expected results. It is quite difficult to get the specific reports needed, and it is not as intuitive as the rest of the platform."
"Its pricing could be better."
"SSL decryption: We had issues with learners using apps instead of using web browsers."
"Defender could integrate better with multi-cloud and hybrid environments. It requires some additional configuration to ingest data from non-Azure environments and integrate it with Sentinel."
"They should continue integration with all other Microsoft security-related products."
"There could be more granular roles that are out of the box included in the product."
"The integration with macOS operating systems needs to be better."
"Sometimes, we'll get false positive alarms. For example, when a SharePoint path has no file sharing, but there is an external user, it will trigger an alarm that the file has been shared with an external user... the alerting mechanism should be more precise when giving you an alert about what activity has been done with the file..."
"I believe it's only set to be integrated with Microsoft Defender for identity and identity protection. I would like to see it available for use with something like Office 365 Defender. I don't think it's integrated with that yet."
"We sometimes get errors when we create policies, which is somewhat annoying because some policies stop working due to misconfigurations. We find this challenging because it limits our options for troubleshooting an issue."
"The response time could be better. It will be helpful if the alerts are even more proactive and we can see more data. Currently, the data is a little bit weak. It is not complete. I can't just see it and completely know which user or which device it is. It takes some effort and time on my part to investigate and isolate a user. It would be great if it is more user-friendly or easy for people to understand."
"The pricing for Private Access seems to be on the expensive side, and I believe they should consider making it more competitive with other solutions."
"We faced certain migration and implementation challenges in executing the tasks, so I would suggest improvement related to the stability of the solution."
"I can't speak to any missing features."
"On a scale from one to ten, I would rate Zscaler Private Access at only a three or four."
"Sometimes applications crash on some machines, and we’d like Zscaler to give us some information as to why that may have happened."
"Sometimes, support takes time since the solution has some bugs that need fixing."
"The product must allow users to check logs for an entire year in the local console."
"Conflicts arise if you do not have the same management teams on the product."
 

Pricing and Cost Advice

"It is not expensive, and it is also not cheap. iboss is priced right in the sweet spot for the number of features it offers."
"The overall pricing for iboss is very competitive and transparent."
"We have not priced the solution recently, but they were competitive with other vendors in the past."
"We had the cost of purchasing a new appliance along with the implementation and licensing costs. However, the following year, the cost of just licensing was similar to what was paid the previous year for a new appliance along with the implementation and licensing costs."
"It is probably in line with other solutions, but I do not deal with the financial side."
"It is expensive compared to one of its competitors."
"The price could be better and should be reconsidered."
"We have an educational licensing agreement. It's a customer agreement for multiple years."
"We utilize the Microsoft E5 licensing, which encompasses the entire Microsoft suite; however, it is costly."
"Its pricing is on the higher side. Its price is definitely very high for a small-scale company. As an enterprise client, we do get benefits from Microsoft. We get a discounted price because of the number of users we have in our company. We have a premier package, and with that, we do get a lot of discounts. There are no additional costs. It only comes in the top-tier packages. Generally, the top-tier license is the best license that you can get for your organization. If you want, you can buy it separately, but that's not a good idea."
"Our clients normally use the Microsoft E1 licensing, which is renewed yearly."
"It has fair pricing. You pay for what you get. As far as I know, there are no costs in addition to the standard licensing fee."
"It is a little bit expensive. When you want to have the complete package with Office 365, Defender, and everything else, it is expensive."
"I'm not totally involved in the pricing part, but I think its pricing is quite aggressive, and its price is quite similar to Netskope. Netskope has separate licensing fees or additional charges if you want to monitor certain SaaS services, whereas, with MCAS, you get 5,000 applications with their Office 365. It is all bundled, and there's no cost for using that. You only have the operational costs. In the country I am in, it is a bit difficult to get people with the required skill sets."
"It's expensive currently. But when purchasing for a large number of users, there's room to negotiate. It's really up to the procurement team."
"It's an affordable solution"
"In the long run, cloud services are not inherently costly."
"Zscaler DLP solution is expensive, with a fixed pricing structure that is billed annually and monthly. There are no additional costs for licenses."
"The solution has increased prices this year."
"The solution is expensive."
"It has been relatively reasonable for what it does. Some of the additional license costs based on the advanced next-generation firewall functions are quite high, and they should have certain features ready and available as a baseline rather than having to purchase additional licenses for it. Overall, the cost seems reasonable."
"It is an auto-renewal subscription service."
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Computer Software Company
9%
Manufacturing Company
9%
Construction Company
7%
Financial Services Firm
12%
Computer Software Company
9%
Manufacturing Company
8%
Government
6%
Financial Services Firm
13%
Manufacturing Company
9%
Computer Software Company
9%
Insurance Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise7
Large Enterprise6
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise10
Large Enterprise19
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise12
Large Enterprise44
 

Questions from the Community

What needs improvement with iboss?
For zero trust implementation, we encountered complexity issues, especially with a large infrastructure company Exxon...
What is your primary use case for iboss?
Previously when I used iboss, we did the POC for iboss for ExxonMobil. Four or five people wanted to move from our ol...
What is your experience regarding pricing and costs for iboss?
Regarding pricing, setup costs, and licensing, iboss is not cheap, and that's my only concern. There are cheaper alte...
Which is the better security solution - Cisco Umbrella or Microsoft Cloud App Security?
Cisco Umbrella is an integral component of the Cisco SASE architecture. It integrates security in a single, cloud-nat...
What is your experience regarding pricing and costs for Microsoft Cloud App Security?
At the time of implementation, when the size of our organization was small, it was a more affordable product. Since a...
What needs improvement with Microsoft Cloud App Security?
The fidelity of the signal in Microsoft Defender for Cloud Apps has been a challenge in some areas. There have been i...
What is the better solution - Prisma Access or Zscaler Private Access?
We looked into Prisma Access before choosing Zscaler Private Access (ZPA). Palo Alto’s Prisma Access is a secure ac...
What needs improvement with Zscaler SASE?
The solution needs to improve a lot of aspects.
What is your primary use case for Zscaler SASE?
We are using Zscaler Zero Trust Exchange for its Zscaler Internet Access service. It provides web security, DLP, data...
 

Also Known As

iBoss Cloud Platform
MS Cloud App Security, Microsoft Cloud App Security
Zscaler SASE, Zscaler DLP, Zscaler CASB, Zscaler CSPM, Zscaler Browser Isolation, Zscaler Posture Control
 

Overview

 

Sample Customers

More than 4,000 global enterprises trust the iboss Cloud Platform to support their modern workforces, including a large number of Fortune 50 companies.
Customers for Microsoft Defender for Cloud Apps include Accenture, St. Luke’s University Health Network, Ansell, and Nakilat.
Siemens, AutoNation, GE, NOV
Find out what your peers are saying about Microsoft Defender for Cloud Apps vs. Zscaler Zero Trust Exchange Platform and other solutions. Updated: March 2026.
886,077 professionals have used our research since 2012.