Illumio Segmentation vs Nutanix Flow Network Security comparison

Illumio and Nutanix are both solutions in the Microsegmentation Software category. Illumio is ranked #1 with an average rating of 8.6, while Nutanix is ranked #5 with an average rating of 8.5. Illumio holds a 23.8% mindshare in MS, compared to Nutanix’s 6.9% mindshare. Additionally, 92% of Illumio users are willing to recommend the solution, compared to 100% of Nutanix users who would recommend it.

Illumio Segmentation

Read 17 Illumio Segmentation reviews

9,163 Views
5,498 Comparison Views

92% willing to recommend

Nutanix Flow Network Security

Read 10 Nutanix Flow Network Security reviews

2,001 Views
1,901 Comparison Views

100% willing to recommend

Illumio Segmentation

Nutanix Flow Network Security

Comparison Buyer's Guide

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Executive SummaryUpdated on Jun 3, 2026

Illumio Segmentation and Nutanix Flow Network Security compete in the network security sector, specializing in micro-segmentation and zero-trust architecture. Illumio seems to have the upper hand due to its advanced visibility and flexible policy management capabilities.

Features: Illumio offers exceptional visibility, flexible policy management with labels instead of IP addresses, and real-time traffic control features. Nutanix Flow integrates into the virtual layer, enabling zero-trust at the hypervisor level, offers network performance analysis, and simplifies VM communication policy creation.

Room for Improvement: Illumio can improve its technical support, integration capabilities, and policy design for new users. Its logging details and reports could be more comprehensive. Nutanix Flow needs enhanced threat hunting and compliance features, better logging systems, and a more flexible pricing structure, particularly for smaller customers.

Ease of Deployment and Customer Service: Illumio provides comprehensive support with 24/7 availability for on-premises and cloud setups, while its deployment may require advanced configuration. Nutanix Flow offers efficient setup in hybrid cloud environments but faces mixed reviews regarding technical support.

Pricing and ROI: Illumio offers a cost-effective solution with a significant ROI due to its comprehensive security features. Nutanix Flow is competitively priced, offers a free trial, and is attractive to small to medium enterprises, though it has a less flexible pricing model.

To learn more, read our detailed Illumio Segmentation vs. Nutanix Flow Network Security Report (Updated: April 2026).

Buyer's Guide

Illumio Segmentation vs. Nutanix Flow Network Security

April 2026

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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

8.2

Reviews Sentiment

6.0

Number of Reviews

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

9.2

Reviews Sentiment

5.2

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of June 2026, in the Microsegmentation Software category, the mindshare of Illumio Segmentation is 23.8%, down from 29.5% compared to the previous year. The mindshare of Nutanix Flow Network Security is 6.9%, up from 6.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Microsegmentation Software Mindshare Distribution
Product	Mindshare (%)
Illumio	23.8%
Nutanix Flow Network Security	6.9%
Other	69.3%

Microsegmentation Software

Featured Reviews

Irfan Sharfi

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.

Read full review

Mohammad Jundiah

Solutions Architect at QDS

Has enabled consistent enforcement of zero-trust policies at the virtual layer

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. It protects them and helps them communicate with each other without needing a complex external or internal firewall in this use case. Working with the zero-trust security model means never trust but always verify. Every VM, application, and service in your environment must explicitly prove it's allowed to communicate with others. An application would be able to talk to a VM and vice versa. This zero-trust means explicitly proving that they are allowed to talk to each other, with no implicit trust just because they are on the same VLAN, subnet, cluster, or environment. Nutanix Flow brings the zero-trust model natively to the virtual layer inside the Nutanix software itself, the AHV. The AHV software enforces strict communication rules between workloads. Integration between Nutanix Flow and other products natively benefits the infrastructure itself as this is a networking segmentation software coming from Nutanix itself. This provides ultimate compatibility. There is no need for extra firewall VMs such as Palo Alto or third-party switches. Security becomes established at the hypervisor level, which creates a new conglomeration of security segmentation. The network performance analysis that Nutanix Flow Network Security provides is very beneficial and effective.

Read full review

Quotes from Members

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

Pros

"The product provides visibility into how the applications communicate and how the network protocols are being used."

"The client is getting more security and is more confident in their network because they now have the micro-segmentation feature in their environment."

"One big outcome we saw after implementing Illumio was a notable drop in lateral movement incidents."

"Overall, Illumio is a powerful tool for micro-segmentation and zero trust security that provides strong visibility, flexible policy management, and effective threat containment, enhancing an organization's internal security posture."

"We have been using the Illumio Adaptive Security Platform for a while now and we have seen a return on investment."

"It has helped us to understand internal network visibility and firewall policy implementation. We use the product to simplify firewall policy implementation."

"I observe extensive return on investment with Illumio."

"Illumio definitely demonstrates its value in money-saving capabilities, enhancing our lateral environment inside the organization and providing effectiveness overall once integrated."

More Illumio Segmentation pros

"Flow Network Security's most valuable features are user-friendliness, the console, and policy creation."

"Nutanix Flow is straightforward to install. You only need to select a checkmark that you want to enable Nutanix Flow."

"They also introduced that they develop API first and the rest follows."

"Nutanix Flow Network Security is a simple solution that is usable, easy to understand, and easy to deploy."

"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."

"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."

"It is a very stable solution. Stability-wise, I rate the solution a ten out of ten."

"It allows for policies that enable complete visibility and traffic control."

More Nutanix Flow Network Security pros

Cons

"Some of the features that can be improved is offer additional guidance on creating an effective and risk-free tagging policy would be highly beneficial."

"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."

"Illumio supports both on-prem and cloud environments, but I think the GUI interface could be more user-friendly."

"Illumio Adaptive Security Platform could improve by supporting more operating systems. For example, Cisco and Apache appliances."

"The solution is very basic and doesn't do anything other than the orchestration of layer four endpoint firewall rules."

"The interaction we've had with the support team hasn't been ideal. Technical support should be improved."

"The product’s agents don't work very well in OT environments."

"Sometimes, the PCE experiences slowness, especially when deploying around 300,000 endpoint devices."

More Illumio Segmentation cons

"The documentation offered by the product is an area with certain shortcomings where improvements are required."

"Nutanix Flow Network Security needs to improve threat hunting, compliance, and policy optimization - these things that security officers would use."

"While the graphical interface of Nutanix Flow Network Security could have been improved, and some of the reporting features needed extra work, the product's features were similar to VMware's NSX. The difference lay more in the presentation and user interface."

"Last time I used it, it was not handy to see or to analyze traffic logs."

"I would rate Flow Network Security's stability seven out of ten - it could be improved."

"We would like the reporting functionality of this solution to be improved."

"Nutanix Flow's networking features could use some improvement. Also, I don't know if it's currently supporting load balancing or not."

"For customers who are running Nutanix Flow and AHV, the largest area for improvement is in the disaster recovery environments."

More Nutanix Flow Network Security cons

Pricing and Cost Advice

"The product's pricing is around 10,000-15,000 USD. The pricing is on a yearly basis."

"There is a subscription needed to use Illumio Adaptive Security Platform and we pay every three years. Overall the solution is expensive."

"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."

"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."

"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."

"Flow Network Security is available on a three-year license, with annual renewals of the maintenance fee."

"The product is available for free use."

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Top Industries

By visitors reading reviews

Financial Services Firm

18%

Computer Software Company

10%

Manufacturing Company

Healthcare Company

Computer Software Company

13%

Healthcare Company

10%

Financial Services Firm

University

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	4
Midsize Enterprise	1
Large Enterprise	12

By reviewers
Company Size	Count
Small Business	4
Midsize Enterprise	2
Large Enterprise	4

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.

See all answers

What needs improvement with Illumio Adaptive Security Platform?

Illumio does not have much in terms of application dependency mapping features. They lack layer 7 process level segmentation, which is a limitation. In Guardicore, you have the layer 7, the process...

See all answers

What is your primary use case for Illumio Adaptive Security Platform?

Illumio's use case compared to Akamai is exactly the same. For the purpose of micro-segmentation, it is the same.

See all answers

What is your experience regarding pricing and costs for Nutanix Flow?

There are different models like Nutanix AOS Pro or Ultimate license. The prices are different, but it's not in the same price range as Cisco ACI, for example.

See all answers

What needs improvement with Nutanix Flow?

Nutanix Flow Network Security needs to improve threat hunting, compliance, and policy optimization - these things that security officers would use. Making these aspects clearer would enable easier ...

See all answers

What advice do you have for others considering Nutanix Flow?

I am still working with these products. The cloud provider I'm usually using for Nutanix NC2 clusters is Azure. I usually purchase Nutanix directly from Nutanix. The solution is suitable for all ty...

See all answers

Comparisons

Akamai Guardicore Segmentation vs Illumio Segmentation

Compared 22% of the time

VMware NSX vs Illumio Segmentation

Compared 9% of the time

Cisco Secure Workload vs Illumio Segmentation

Compared 8% of the time

TrendAI Deep Security vs Illumio Segmentation

Compared 4% of the time

Check Point Email Security (formerly Harmony Email & Collaboration) vs Illumio Segmentation

Compared 2% of the time

More Illumio Segmentation Competitors

VMware NSX vs Nutanix Flow Network Security

Compared 57% of the time

Cisco Secure Workload vs Nutanix Flow Network Security

Compared 8% of the time

Akamai Guardicore Segmentation vs Nutanix Flow Network Security

Compared 6% of the time

Hillstone CloudHive vs Nutanix Flow Network Security

Compared 5% of the time

Airgap Zero Trust Enterprise vs Nutanix Flow Network Security

Compared 5% of the time

More Nutanix Flow Network Security Competitors

Product Reports

Buyer's Guide

Illumio Segmentation

May 2026

Download Illumio Segmentation product report

Buyer's Guide

Nutanix Flow Network Security

May 2026

Download Nutanix Flow Network Security product report

Also Known As

Illumio Adaptive Security Platform, Illumio ASP

Nutanix Flow Microsegmentation

Overview

Illumio enhances security through micro-segmentation and real-time traffic control, offering detailed network visibility and precise application communication management. It supports scalability across environments, improving security posture and reducing lateral movement.

Illumio's features include real-time traffic control, micro-segmentation, and scalable policy management, allowing organizations to establish strict security measures against threats like ransomware. Its visibility map offers granular security insights essential for creating effective policies and auditing traffic. Centralized rule distribution and comprehensive traffic mapping augment security across environments. The platform's design ensures ease of deployment and compatibility, reducing unauthorized access by focusing on threat isolation and breach containment. While Illumio excels in flexibility and visibility, it requires advancements in technical support, third-party integrations, and user-friendly policy management to better support diverse operating systems and larger environments. Improved reporting, analytics, and automation for policy creation are necessary alongside reduced dependency on agents and enhanced data security measures.

What are Illumio's most important features?

Real-Time Traffic Control: Allows dynamic management of network traffic for enhanced security.
Micro-Segmentation: Enables precise control over application communication within networks.
Scalable Policy Management: Facilitates implementation of robust policy frameworks across environments.
Visibility Map: Provides granular insights for security policy creation and auditing purposes.
Threat Isolation and Breach Containment: Limits unauthorized access and mitigates security threats.

What benefits or ROI should users look for?

Enhanced Security Posture: Reduced lateral movement and improved threat mitigation.
Scalability: Supports security measures in growing and complex environments.
Deployment Ease: Lightweight and user-friendly implementation across platforms.
Compliance Maintenance: Assists in adhering to security standards across infrastructures.

Illumio is frequently deployed in industries where network segmentation is critical, such as finance and healthcare, offering detailed network visibility and control over application communication. Organizations integrate it seamlessly with existing infrastructures, facilitating the deployment of VENs and effective policy management to secure hybrid cloud and on-premises environments, ensuring compliance and defending against evolving threats.

Illumio

Nutanix Flow Network Security offers advanced network protection through virtual networking and micro-segmentation, supporting zero-trust principles for secure communication among virtual machines and applications while being compatible with Nutanix solutions.

Featuring an intuitive console, Nutanix Flow Network Security simplifies operations and enhances visibility. It integrates with Nutanix solutions, facilitating seamless compatibility. The inclusion of virtual networking and micro-segmentation aids in data management by improving network visualization and virtual machine segregation. Supporting zero-trust principles, the security system efficiently manages isolated communication and secure deployment. With robust connectivity through fiber links and VPCs, it ensures reliable performance across networks, making it accessible to businesses with diverse requirements.

What are the key features of Nutanix Flow Network Security?

Virtual Networking: Provides seamless integration for secure data transmission.
Micro-Segmentation: Enhances security by segmenting traffic within networks.
API Control: Allows streamlined management of network operations through APIs.
Network Performance Analysis: Offers insights into network health and efficiency.
User-Friendly Console: Simplifies policy creation and improves network visibility.

What benefits can be expected when evaluating Nutanix Flow Network Security?

Enhanced Security: Facilitates zero-trust policies and isolated VM communication.
Improved Data Management: Aids in the segregation and visualization of virtual machines.
Operational Efficiency: Simplifies complex networking tasks for faster deployment.
Compatibility: Integrates smoothly with Nutanix solutions, enhancing overall functionality.
Connectivity: Ensures secure and reliable connectivity with fiber links and VPCs.

In industries such as IT and financial services, Nutanix Flow Network Security is commonly used for disaster recovery planning and enhancing micro-segmentation. It ensures secure, isolated communication within virtual environments and helps manage traffic visibility. By facilitating the creation of non-routed virtual private clouds and blocking unauthorized access between VMs, organizations leverage its capabilities for better network communication control across data centers.

Nutanix

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

Buyer's Guide

Illumio Segmentation vs. Nutanix Flow Network Security

April 2026

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