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Illumio Segmentation vs Nutanix Flow Network Security comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jun 3, 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

Illumio Segmentation
Ranking in Microsegmentation Software
1st
Average Rating
8.4
Reviews Sentiment
5.7
Number of Reviews
18
Ranking in other categories
Cloud and Data Center Security (4th), Cloud Workload Protection Platforms (CWPP) (11th)
Nutanix Flow Network Security
Ranking in Microsegmentation Software
5th
Average Rating
9.0
Reviews Sentiment
6.0
Number of Reviews
11
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2026, in the Microsegmentation Software category, the mindshare of Illumio Segmentation is 22.3%, down from 29.5% compared to the previous year. The mindshare of Nutanix Flow Network Security is 6.7%, up from 5.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Microsegmentation Software Mindshare Distribution
ProductMindshare (%)
Illumio Segmentation22.3%
Nutanix Flow Network Security6.7%
Other71.0%
Microsegmentation Software
 

Featured Reviews

Irfan Sharfi - PeerSpot reviewer
Security Professional at a tech vendor with 10,001+ employees
Micro-segmentation has transformed endpoint protection and now isolates internal threats effectively
Illumio can be improved in several areas based on our feedback. Sometimes, the PCE experiences slowness, especially when deploying around 300,000 endpoint devices. When these devices communicate within the network, loading the map or connections can cause latency, which needs improvement for a more user-friendly and faster experience. Regarding improvements to the interface, I believe we can add more features to the graphical user interface, such as proper logs. While the logs currently indicate what was blocked or allowed, clicking on a specific log should provide more information, such as which extra-scope rule is causing a denial, offering better analysis for troubleshooting.
Vishnu Mohan - PeerSpot reviewer
Service Delivery Manager Cloud And Datacenter Operations at a healthcare company with 10,001+ employees
Cloud-style segmentation has improved hybrid security but integration with on-prem tags still needs work
I would like to see better micro-segmentation capabilities in Nutanix Flow Network Security. It has to work with our Cisco on-premises tooling. We use something called tagging on-premises, so if the same tags could be used in Nutanix Flow Network Security, then that would make life easier. The Cisco part was a challenge in terms of how it integrates with third-party vendors and tools, so we have kept it for the next release.

Quotes from Members

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

Pros

"The strongest aspect of Illumio is the visual traffic interface, which allows us to see all traffic that communicates with our servers and allied companies."
"One big outcome we saw after implementing Illumio was a notable drop in lateral movement incidents."
"The solution is easy to use."
"Everything is valuable in Illumio."
"The tool helps with my company's security posture."
"Illumio does more than general security product, it provides East-West traffic flow visibility and auditorial log which benefits on daily operation and periodical auditing."
"The features that I have found most useful is the ability to centralize all the rules and then distribute them across various locations. However, I've encountered challenges related to tagging policies, which can be complex to devise. It's a matter that requires careful consideration and stakeholder involvement before implementing such policies."
"The dependency map is most valuable feature."
"When comparing the costs of Nutanix Flow versus managing multiple VLANs and many other firewalls, it is far less expensive."
"We appreciate the fact that this solution allows us to segregate two virtual machines that are in the same cluster."
"Nutanix Flow has a lot of data protection features. It's also valuable for operations and management. It's a big solution that works well with different solutions and is suitable for most business cases."
"They also introduced that they develop API first and the rest follows."
"The network view was excellent as it allowed us to expand the server view and visualize all connections it made within the environment. This was particularly useful in identifying the path of our data and not just its location within the data center."
"Flow Network Security's most valuable features are user-friendliness, the console, and policy creation."
"It is a very stable solution. Stability-wise, I rate the solution a ten out of ten."
"The micro-segmentation feature helps to manage network security effectively because it helps the virtual machines that are already on the cluster and the applications inside the cluster itself, protects them and helps them communicate with each other without needing a complex external or internal firewall in this use case."
 

Cons

"I would appreciate if Illumio Segmentation's interface were better."
"The product’s agents don't work very well in OT environments."
"Illumio supports both on-prem and cloud environments, but I think the GUI interface could be more user-friendly."
"We need more details on areas where there is an error or a traffic blockage. I would like the tool to offer a more detailed view."
"Sometimes, the PCE experiences slowness, especially when deploying around 300,000 endpoint devices."
"One area for improvement regarding Illumio might be making the policy management even more intuitive."
"Illumio can be improved if we have more interactive sessions with the tech team."
"Illumio requires me to create policies for each type of traffic, and for new users, the policy design can be a bit complex."
"I would like to see better micro-segmentation capabilities in Nutanix Flow Network Security."
"I would rate Flow Network Security's stability seven out of ten - it could be improved."
"Nutanix Flow Network Security needs to improve threat hunting, compliance, and policy optimization - these things that security officers would use."
"Last time I used it, it was not handy to see or to analyze traffic logs."
"For customers who are running Nutanix Flow and AHV, the largest area for improvement is in the disaster recovery environments."
"We would like the reporting functionality of this solution to be improved."
"The most difficult part is the configuration of the initial blueprints."
"For customers who are running Nutanix Flow and AHV, the largest area for improvement is in the disaster recovery environments. To automate the populate of rules from one side to the other side in case of disaster you report everything on the disaster recovery site, and you have all the rules automatically applied. This was something that was being built when I left Nutanix. It might already be available. Additionally, the usability of the rules editor could improve."
 

Pricing and Cost Advice

"There is a subscription needed to use Illumio Adaptive Security Platform and we pay every three years. Overall the solution is expensive."
"The product's pricing is around 10,000-15,000 USD. The pricing is on a yearly basis."
"The product is available for free use."
"This model is very accessible to implement."
"In comparison to other options available in the market, I would rate their pricing as very competitive, probably a two or three out of ten for cost."
"Flow Network Security is available on a three-year license, with annual renewals of the maintenance fee."
"There is an annual subscription to use this solution. There is a 60-day trial to use the solution, it gives you time to decide if you want to continue using the solution."
"There are different licensing models."
"On a scale from one to ten, where one is cheap and ten is expensive, I rate the solution's pricing a seven out of ten."
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Top Industries

By visitors reading reviews
Financial Services Firm
16%
Manufacturing Company
9%
Computer Software Company
8%
Outsourcing Company
6%
Healthcare Company
12%
Manufacturing Company
9%
Computer Software Company
8%
University
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business5
Midsize Enterprise2
Large Enterprise13
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise2
Large Enterprise5
 

Questions from the Community

What is your experience regarding pricing and costs for Illumio Adaptive Security Platform?
It will be the same price as the Akamai price for Guardicore. It's expensive, that's true. But when you compare it to firewalls, then it may not be that expensive.
What needs improvement with Illumio Adaptive Security Platform?
I would appreciate if Illumio Segmentation's interface were better. It is good enough to manage the operation and get the visibility, but when looking for data regarding licenses and expansion mana...
What is your primary use case for Illumio Adaptive Security Platform?
My main use case for Illumio Segmentation is security and visibility, as I am able to get a lot of visibility in networking, even in sites I don't know about, and it is a strong security solution. ...
What needs improvement with Nutanix Flow?
I would like to see better micro-segmentation capabilities in Nutanix Flow Network Security. It has to work with our Cisco on-premises tooling. We use something called tagging on-premises, so if th...
What advice do you have for others considering Nutanix Flow?
I cannot think of any weak sides, drawbacks, or something to improve. We have not implemented the impact on Nutanix Flow Network Security's zero-trust security model on our threat control processes...
What is your primary use case for Nutanix Flow?
I have experience with Nutanix Flow Network Security, and I have just started working with it this year. What I like about Nutanix Flow Network Security is that it features cloud-like segmentation,...
 

Also Known As

Illumio Adaptive Security Platform, Illumio ASP
Nutanix Flow Microsegmentation
 

Overview

 

Sample Customers

Plantronics, NTT Innovation Institute Inc.
JetBlue, International Speedway Corporation, Volkswagen SAIC, Brighton and Hove City Council, Foresters Financial, Janus International Group, Cloud Comrade, Serco
Find out what your peers are saying about Illumio Segmentation vs. Nutanix Flow Network Security and other solutions. Updated: August 2026.
912,022 professionals have used our research since 2012.