In the past, I prepared a comparative stable between Zscaler and other concurrent or alternative solutions. I saw that Zscaler has a good mark in many criteria. We use Zscaler for centralized data loss prevention (DLP) for web, endpoint, and email. It also has the capacity for SD-WAN integration, threat installation, and is easy to deploy compared to other solutions.
Engineer at a non-tech company with 11-50 employees
Enhanced security and connectivity with centralized data protection and comprehensive threat inspection
Pros and Cons
- "Zscaler offers a centralized DLP solution for web, endpoint, and email."
- "There are many functionalities in Zscaler Internet Access that need improvements, such as an advanced firewall and logging capabilities to track calls."
What is our primary use case?
How has it helped my organization?
Zscaler, by offering many solutions for workload and remote workforce connectivity, has improved our organization's productivity. It leverages AI for threat intelligence and malware detection, which enhances our security measures.
What is most valuable?
Zscaler offers a centralized DLP solution for web, endpoint, and email. It also provides SD-WAN integration and an inspection feature that inspects one hundred percent of traffic, ensuring it is secure and meets our connectivity needs.
What needs improvement?
There are many functionalities in Zscaler Internet Access that need improvements, such as an advanced firewall and logging capabilities to track calls.
Buyer's Guide
Zscaler Internet Access
March 2025

Learn what your peers think about Zscaler Internet Access. Get advice and tips from experienced pros sharing their opinions. Updated: March 2025.
861,524 professionals have used our research since 2012.
For how long have I used the solution?
I have been using Zscaler Internet Access for one year now.
What do I think about the stability of the solution?
The stability is rated an eight out of ten.
What do I think about the scalability of the solution?
I rate the scalability of the solution as eight or nine out of ten.
How are customer service and support?
Customer service sometimes is not helpful, with long waiting times when issues arise. However, in some cases, the support team is faster and satisfactory.
How would you rate customer service and support?
Neutral
Which solution did I use previously and why did I switch?
Before using Zscaler Internet Access, we used another solution, which secured us with a gateway.
How was the initial setup?
I'd rate the setup nine out of ten. It is a relatively easy setup process.
What was our ROI?
We have seen measurable benefits, such as improvements in security measures and productivity. However, experiences with customer service have been mixed.
What's my experience with pricing, setup cost, and licensing?
Compared to other solutions, Zscaler Internet Access is higher in cost.
What other advice do I have?
Based on my experience, I recommend Zscaler Internet Access.
I'd rate the solution nine out of ten.
Which deployment model are you using for this solution?
Hybrid Cloud
If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?
Other
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Last updated: Oct 22, 2024
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Senior IT Manager at a manufacturing company with 1,001-5,000 employees
Controls doesn't affect speed and runs in the background with SSO feature
Pros and Cons
- "Zscalar Internet Access is for Internet security, like an Internet security gateway. I like how it runs seamlessly in the background with a single sign-on. The controls you can have on devices for Internet security are good, and it doesn't impact speed wherever you're connected. Overall, I think it's very good so far."
- "The solution's pricing is on the higher side. It would be better if it could be lower."
What is our primary use case?
We use the tool to manage all end-user traffic. It's mainly for web filtering on every device, not for backend server traffic.
What is most valuable?
Zscalar Internet Access is for Internet security, like an Internet security gateway. I like how it runs seamlessly in the background with a single sign-on. The controls you can have on devices for Internet security are good, and it doesn't impact speed wherever you're connected. Overall, I think it's very good so far.
What needs improvement?
The solution's pricing is on the higher side. It would be better if it could be lower.
For how long have I used the solution?
I have been using the product for a year.
What do I think about the stability of the solution?
The product is quite stable. There were some challenges with speed and performance when connected to a different region, but once they fixed the policy and routed through our region, everything worked fine.
What do I think about the scalability of the solution?
The tool should be scalable - we have many employees, and it's covering well. I can't comment on limitations for other companies with thousands of computers.
How was the initial setup?
We pushed it through policy to all computers, so we didn't need people to do it manually. You need someone overseeing it but not heavily involved or specifically dedicated. It can be handled with other workloads.
What was our ROI?
The main reason for getting the solution was for better security, not for time or management savings. It didn't decrease effort for our security team, but it improved our overall security posture.
What other advice do I have?
I like Zscaler Internet Access. We've been using it for a while, and it's working very well. However, we're still in the early stages of identifying the full solution and requirements.
I rate it a ten out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Buyer's Guide
Zscaler Internet Access
March 2025

Learn what your peers think about Zscaler Internet Access. Get advice and tips from experienced pros sharing their opinions. Updated: March 2025.
861,524 professionals have used our research since 2012.
Senior Technical Consultant at Meta Infotech Pvt Ltd
Good features and a straightforward setup but needs a better user interface
Pros and Cons
- "The solution is stable and reliable."
- "Technical support could be better."
What is our primary use case?
We use the solution for internet access, web-based policies, and application-based policies. It has a device posture profile, which is new.
DNS security is in progress now. I have done the test cases in my lab, however, now we are deploying it for 30,000 users. I'm working on that project as well. Apart from that, I have worked in ZIA's firewall and DLP.
What is most valuable?
The product is simple yet has a lot of features.
It offers a straightforward setup process. Setting up the solution is simple.
The solution is stable and reliable.
Users can scale the product.
What needs improvement?
There are some flaws which I don't like. Mostly I was an engineer for the proxy. In that case, there are limitations. There are limited categories and limited URLs which we can create.
We'd like to see a more user-friendly interface.
Technical support could be better. They should be more technical. Also, they need to ensure when you ask for help, they communicate better amongst themselves what the issue is so that customers aren't constantly repeating themselves.
For how long have I used the solution?
I've been using the solution for about one year.
What do I think about the stability of the solution?
It's quite stable and offers good performance. There are no bugs or glitches and it doesn't crash or freeze. It is reliable.
What do I think about the scalability of the solution?
It's scalable and easy to expand.
We have multiple clients that use the solution. We have between 8,000 and 50,000 clients.
How are customer service and support?
I've contacted technical support multiple times. They are okay. However, they could be better. We sometimes need more technical responses.
Often, our support person will change, and then we have to explain over and over the issue, what went wrong, and what's been done. It may take days to resolve things even if it is a simpler case due to the repetition and the fact we are changing from support staff to support staff.
How would you rate customer service and support?
Neutral
How was the initial setup?
The solution is very straightforward and simple to set up.
Users just decide if they want to connect via desktop or remote VDI servers, and that's it. They decide on what ports and protocols they want to connect. Once that question is clear, then they just have to just create the connection between the cloud and between the enterprise. After that, it's all about the configuration once you are done on the portal.
What's my experience with pricing, setup cost, and licensing?
I don't deal with the licensing aspect. I can't speak to pricing.
What other advice do I have?
I'd rate hte solution seven out of ten.
Which deployment model are you using for this solution?
Public Cloud
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
Cloud Architect Azure at Thales
Allows us to secure endpoints using a proxy and provides technical support to help us set up new use cases and identify configurations
Pros and Cons
- "The most valuable feature is the ability to drop packets."
- "The OS capabilities and WSL support could be improved."
What is our primary use case?
We use Zscaler to secure endpoints using a proxy.
This solution is used by 500 people. We have plans to increase usage by 10-20%.
It's a cloud based solution.
What is most valuable?
The most valuable feature is the ability to drop packets.
What needs improvement?
The OS capabilities and WSL support could be improved.
For how long have I used the solution?
I have used this solution for about four years.
What do I think about the stability of the solution?
It's not very stable, but I think Zscaler is trying to improve that. This solution is typically deployed in endpoint environments like Windows, Linux, and even WSL, which is the Windows encapsulated version of Linux.
What do I think about the scalability of the solution?
It's scalable.
How are customer service and support?
We have used technical support to identify configurations, help us set up new use cases, and to secure endpoints that we want to be integrated.
How was the initial setup?
Setup is about medium difficulty. We needed more background information on how to set up a proxy. Setup could be easier.
It took between 30 minutes and one hour to set up the solution, activate our Zscaler company profile, and to configure ZIA.
What's my experience with pricing, setup cost, and licensing?
The solution is a little bit expensive. On a scale of one to five, I would rate it as a three.
What other advice do I have?
I would rate this solution as eight out of ten.
I would absolutely recommend this solution to those who want to start using it.
It's a cloud based solution, so Zscaler provides everything needed to set up and start using it, without complex requirements.
Which deployment model are you using for this solution?
Public Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Senior Software Engineer with 501-1,000 employees
Easy to use, straightforward to set up, and very reliable
Pros and Cons
- "The initial setup is very straightforward."
- "If they can also integrate with the multi-factor authentication to prompt users to do another, second-factor authentication, that would be ideal."
What is our primary use case?
Basically, they usually are the endpoint VPN connection to secure the end-user device. They also integrate with the SD One solution to form a secure endpoint assessment for the SD One, with security from the endpoints to the network.
It serves as protection for the endpoint, especially laptops, to secure any internet access. Even when you assess the wireless itself, they also make sure that the traffic from the laptop is encrypted.
What is most valuable?
The way they do it is very easy to use at the moment. If you power on the laptop, they will survey. It's very easy for the user. The user doesn't really need to do anything except make sure that the access is there. That's all.
The initial setup is very straightforward.
It is easy to scale.
The solution is stable.
What needs improvement?
If they can also integrate with the multi-factor authentication to prompt users to do another, second-factor authentication, that would be ideal.
For how long have I used the solution?
I've used the solution for 18 months.
What do I think about the stability of the solution?
The solution is very stable and reliable. There are no bugs or glitches. It doesn't crash or freeze.
What do I think about the scalability of the solution?
The solution can scale very well.
How are customer service and support?
Very minimal technical support has been required since the solution is so stable and easy to use.
How was the initial setup?
The implementation process is easy. The agent they use runs very smoothly.
What's my experience with pricing, setup cost, and licensing?
They do have a minimum number of users required to make it viable. You need to have 500 users. Based on the licensing scheme, they offer 500 users. The initial level would be $3/month per user.
What other advice do I have?
I'd rate the solution eight out of ten. It is very easy to use.
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
CISO at UST Global
Easy to deploy with good security and seamless integrations
Pros and Cons
- "There is no lag in service when accessing the internet."
- "We'd like to have more plugins and integration."
What is our primary use case?
We primarily use the solution for a secure web gateway and secure internet access.
We wanted something for an overall internet access solution, an in-office, and out-of-office solution. We chose Zscaler Internet Access.
What is most valuable?
It is very transparent.
It securely transfers internet connectivity seamlessly, without any problems or issues. It's very simple for the user.
The product offers easy deployment.
Security is very strong. There is seamless integration as well.
There is no lag in service when accessing the internet.
The initial setup was straightforward.
It is scalable.
The solution is stable.
What needs improvement?
The technical support could be better. We need more of an online knowledge base, so we don't have to lodge tickets whenever we have a question or issue.
We'd like to have more plugins and integration.
Even in a CASB scenario, if we could get API and JSON-contained decoding, that would be helpful.
For how long have I used the solution?
I've used the solution for over a year.
What do I think about the stability of the solution?
The solution is stable and secure. We haven't had any issues. The product is great.
What do I think about the scalability of the solution?
We have more than 1,000 people using the solution.
The scalability is really good. We've had no issues with the scalability. We even don't know when the performance tuning is happening in the back end. The user is not experiencing any problems, even if all thousand-plus users have started using it at the same time. There's no slowness or lag which is experienced.
We use it on a daily basis and plan to increase usage in the future.
How are customer service and support?
If you want some support, you have to log a case. However, if there was more online support or a knowledge base that was readily available, it would be better.
How would you rate customer service and support?
Positive
How was the initial setup?
The set up is very straightforward. It's a pretty easy process. The deployment scenario is pretty simple. You can just deploy it through a simple policy. You can deploy it even in terms of the distribution of hardware to users.
To set it up took about three and a half weeks, from beginning to end.
I'd rate the ease of deployment at a four or 4.5 out of five.
After it is set up, there isn't really much maintenance.
What about the implementation team?
We handled the deployment in-house.
What was our ROI?
After three or five years, after not having any bad experiences, we can see some ROI.
What's my experience with pricing, setup cost, and licensing?
The solution is quite expensive. It's around double what others are offering. The price we pay includes everything. It comes as a bundle.
I'd rate the affordability of the solution at a two or three out of five.
While the product quality is very good, the price is very high.
Which other solutions did I evaluate?
We have looked into Netskope.
What other advice do I have?
I'm an end-user.
I am dealing with the latest version of the solution.
I'd rate the solution eight out of ten. The only downside is that it is so expensive.
Which deployment model are you using for this solution?
Public Cloud
If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?
Other
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Cloud and Security Transformation Specialist at Comtact
The scalability is perfect, the setup is straightforward, and the ROI is excellent
Pros and Cons
- "The solution replaces multiple vendor technologies with one which makes it worth the cost."
- "The solution can be improved by advancing some of the newer technologies such as the DLP feature, and adding email security."
What is our primary use case?
The solution is used to manage and protect end users' access to internet resources, websites, and web applications while checking for malicious or bad content in order to grant or block access to certain sites.
What is most valuable?
This solution has a lot of valuable features. The most valuable features of the solution are URL filtering, CASB, data leak prevention, DLP, and also ZDX a digital experience monitoring option.
What needs improvement?
The solution can be improved by advancing some of the newer technologies such as the DLP feature, and adding email security.
For how long have I used the solution?
I have been using the solution for two years.
What do I think about the stability of the solution?
The solution is not perfect and things can go wrong but it is stable. In the last two years that I've been working with it, we did experience a small outage for a group of customers in a particular region for a few hours. Those customers all received service credits for the outage and it was fixed quickly. I give the stability a nine out of ten.
What do I think about the scalability of the solution?
The scalability is perfect. I would give it a ten out of ten.
How are customer service and support?
Customer service and support are good but there is always room for improvement. We do a lot of our own technical support so we don't have a need to call them often. When customer service and support are needed they are usually there. I give them an eight out of ten.
How would you rate customer service and support?
Positive
How was the initial setup?
The setup is straightforward. If a customer orders all of the features there is a lot of configuration work to do, or they can choose to leave the features in the standard setup. We recommend they take a few days with one of our consultants who are familiar with the solution so they can point them in the right direction. The configuration is based on individual requirements.
What about the implementation team?
The implementation was done in-house, using one of our engineers.
What was our ROI?
The ROI of the solution is excellent. I give it a ten out of ten.
What's my experience with pricing, setup cost, and licensing?
The solution replaces multiple vendor technologies with one which makes it worth the cost. It is a few pounds per user per month. Occasionally a customer will kick back because they believe it is too expensive for them.
What other advice do I have?
I give the solution a nine out of ten.
Although the solution is easy to configure, there is good value in spending two or three days with an expert that can save a lot of time and effort setting things up in order for you to get real value out of it quickly.
Which deployment model are you using for this solution?
Private Cloud
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
Solution Architect at Tata Consultancy
There is a virtual application in your private data centers that detects the applications, and you can control access.
Pros and Cons
- "Zscaler covers all the features needed to replace a VPN or proxy solution. They are good. They've been on the market for 15 years now, so they are mature enough."
- "Zscaler needs to add client-to-client communication. It's always client-to-server communication. The cloud and branch connectors could be improved because we're still dependent on traditional firewalls. They should eliminate this. They should also provide WAN devices should to compete with the SD-WAN solutions also."
What is our primary use case?
One of the use cases is VPN replacement. Zscaler Private Access replaces the VPN solution.
What is most valuable?
Zscaler covers all the features needed to replace a VPN or proxy solution. They are good. They've been on the market for 15 years now, so they are mature enough.
What needs improvement?
Zscaler needs to add client-to-client communication. It's always client-to-server communication. The cloud and branch connectors could be improved because we're still dependent on traditional firewalls. They should eliminate this. They should also provide WAN devices should to compete with the SD-WAN solutions also.
For how long have I used the solution?
We have been building our competency and trying to sell Zscaler to customers for almost two years. We are doing this in our labs also, and we have one customer now.
What do I think about the stability of the solution?
Zscaler is scalable.
What do I think about the scalability of the solution?
Zscaler is a cloud-based solution, so it's scalable.
How are customer service and support?
We worked with Zscaler support initially for some professional services. That service was excellent, but later we had to wait for them to make some changes, so that could be tricky. I rate Zscaler support seven out of 10.
How would you rate customer service and support?
Neutral
How was the initial setup?
Deploying Zscaler is quick and straightforward. You can easily onboard end-users to Zscaler Private Access once you deploy the application. There is a virtual application in your private data centers that detects the applications, and you can control access.
We have two or three engineer to deploy the solution. Two are usually needed because there are different roles from a backup point of view, and we have a different set of people during the design stage. We need some people who understand identity solutions. We have a combination of two or three engineers who normally do deployment for around 1,500 users. One person is usually more than sufficient for maintenance because we don't get that many inquiries unless some changes are needed.
What was our ROI?
We work on a business case, not on ROI, so if the customer sees a positive savings on their business case after the five years or six years, they normally go for Zscaler.
What's my experience with pricing, setup cost, and licensing?
The license is per user, and there's a minimum license per user per year. It's costly if you compare it to the traditional solutions like Symantec or Bluecoat. It's about 20 to 30 percent costlier than the traditional solution, but it gives you the flexibility to work from anywhere, and everything becomes effortless.
What other advice do I have?
I rate Zscaler Internet Access eight out of 10.
Which deployment model are you using for this solution?
Public Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.

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Updated: March 2025
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