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ShieldX vs VMware NSX 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

ShieldX
Ranking in Microsegmentation Software
11th
Average Rating
9.2
Number of Reviews
4
Ranking in other categories
No ranking in other categories
VMware NSX
Ranking in Microsegmentation Software
2nd
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
107
Ranking in other categories
Network Virtualization (2nd), Cloud and Data Center Security (6th), Network Traffic Analysis (NTA) (6th), Network Detection and Response (NDR) (10th), Network Automation (5th)
 

Mindshare comparison

As of September 2026, in the Microsegmentation Software category, the mindshare of ShieldX is 2.5%, up from 0.4% compared to the previous year. The mindshare of VMware NSX is 14.4%, down from 16.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Microsegmentation Software Mindshare Distribution
ProductMindshare (%)
VMware NSX14.4%
ShieldX2.5%
Other83.1%
Microsegmentation Software
 

Featured Reviews

MP
IT Director at park holidays uk
Proactively monitors, blocks, and reports what it has blocked; and self-updates meaning there is zero maintenance
The most valuable feature is the automatic scaling. With its microservices, it scales both up and down, depending on traffic and throughput. The traffic through our website depends on holiday bookings. It's very quiet in November through January, and then our traffic picks up quite rapidly and, at our peak, we will take in excess of a million pounds of business a day through our website. The UI was also one of the huge selling points. My web development manager was blown away with the detail and the granularity that you can get out of the UI. It is a very strong and informative UI, with the amount of data it provides. Uptime on the system has been 648 days and we do very little to it because it self-updates and alerts. It does everything that we need it to do, so the administration side of it is zero. One of the beauties about ShieldX is that it's such a good "fire-and-forget" product.
TAIYAB HASAN - PeerSpot reviewer
Windows Redhat Linux Vmware & Azure & Cloud & Nutanix Ahv-Vmware & Backup Senior System Administrator at AlDawaa Medical Services
Has improved network visibility and security through micro-segmentation and SDN capabilities
This feature gives us flexibility and allows us to manage everything under one pane. We can see everything on one console, including network operations and behavior. Monitoring and security are among the best features for VMware NSX. For micro-segmentation, it's integrated with our endpoint security. If there are any issues with servers or VMs, it notifies us so we can isolate the servers and investigate. It provides distributed security features such as firewall and intrusion, IDS, IPS. The security level with IPS and IDS in VMware NSX is excellent. It also provides logical switching and routing which gives an extra layer for Layer 2 and Layer 3 switching requirements. The solution provides flexibility, automation, and self-service capabilities, resulting in cost savings as extensive expertise isn't required. Once automation and self-service are implemented, many tasks can be completed automatically. Load balancing is another excellent feature. Multiple servers can run on load balancing features, which is particularly useful since we have many application servers running. Sharing loads between servers provides the best performance.

Quotes from Members

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

Pros

"For other security professions who are looking for something which is low in cost that does microsegmentation, they should look at ShieldX."
"The UI was also one of the huge selling points. My web development manager was blown away with the detail and the granularity that you can get out of the UI. It is a very strong and informative UI, with the amount of data it provides."
"The most valuable feature is the automatic scaling. With its microservices, it scales both up and down, depending on traffic and throughput."
"ShieldX makes it a lot easier and a lot simpler to define your policies and define your rules, and that greatly reduces the opportunity for user error."
"ShieldX has been designed from the very beginning to work well in cloud environments. It understands autoscaling, automation, and auto-configuration. These are the things which are important in today's operating environment."
"...It takes the exact same policies that you would apply to your on-premise environment and enables you to simply apply them to the cloud. It becomes one policy for both on-prem and for the cloud."
"We were able to see what devices are talking to each other, giving us more visibility."
"Once you install it you can virtually forget about it; it's very low-maintenance and high-protection."
"Firewall security is one of VMware NSX's vital features"
"The organization of it is logical, useful, and intuitive."
"We like that everything is integrated."
"I have found the system to be very intuitive, functional, and they have great technology."
"One significant advantage of VMware NSX is the ability to provide advanced security at the micro-level, focusing on securing applications and workloads rather than just the network structure or virtualization-based network security."
"You're building a scalable solution, a secure solution, and a stable end-to-end solution; these are the main measurable benefits VMware NSX provides to the users."
"Overall, for me, it's a good solution and has been working well."
"The solution is very stable; there are no bugs or glitches, it doesn't crash or freeze, and it's reliable."
 

Cons

"We are having some issues with their LDAP and integrating it with the Active Directory. We can't seem to set it up."
"I would like better reports and in-depth reporting."
"They need to be consistent in performance and capabilities over time, given the fact that this is new and I want to see where this goes in the next year or so."
"With any kind of tool like ShieldX, where you're in the cloud instead of a traditional firewall, you're using CPU resources in those environments to provide the protection. So there's a cost associated with CPU resources. I'm pressing upon them to make the product much more efficient and use less CPUs to do the same thing."
"They need to be consistent in performance and capabilities over time, given the fact that this is new and I want to see where this goes in the next year or so. As the vendor continues to evolve and add future functionality, we want to make sure that we are still keeping up with the integrations, etc. Time will be the key factor here. The proper support for some of the latest technologies, Docker containers, etc. They need to keep up with threat landscape, so we will see how the security get layered. This is what we are going to be keeping an eye on."
"There should be a bit more customer care, with regular review meetings on it or regular reports. It would be nice to have a quarterly or biannual review of what ShieldX has blocked."
"We had some complexities implementing into the other parts of a network."
"In the next release, they should enhance the visual interface. With NSX-T, it's difficult to communicate between the public cloud and the container."
"It lacks full knowledge of physical side of the network topology."
"We would like tenant segmentation available in future releases."
"Going through and getting more features sets from the routing protocols is definitely necessary for the future."
"In the next release, they should enhance the visual interface."
"There were some issues with finance and other accounting."
"The setup of the solution could be simplified."
 

Pricing and Cost Advice

"We are very happy with the pricing and licensing. It's about getting a site-wide license. One of the challenges that we've had with our previous vendor had been the cost of licensing."
"ShieldX ensures that we can have the separation needed for our environment to avoid drastically increasing the cost on the licensing side. From this perspective, it's been very positive and helpful."
"ShieldX also enables us to migrate to cloud environments faster. That is an important part of it for sure because it takes the exact same policies that we would apply to our on-premise environment and enables us to simply apply them to the cloud. It becomes one policy for both on-prem and for the cloud."
"For other security professions who are looking for something which is low in cost that does microsegmentation, they should look at ShieldX. It might not be the big name out there, but it does everything that you are looking for in microsegmentation at a very low price."
"We are actually expecting our costs to drop in the coming year, but it is just a matter of the licensing expiring. That is going to happen in the next six months or so. Then, we will start to see a decrease in overall spend."
"For a three-year deal we paid £55,000 plus tax... But, and this is a big "but," this was over two years ago. ShieldX had only just hit the market. We were the first company in Europe to buy ShieldX."
"Security policies are now applied as applications are going up. Because it's automated, we don't have the three to four week delay. The insertion of applications in the cloud for us dropped from an average of three to four weeks to a couple of days."
"The licensing is renewed every three years. The cost for implementation and renovation are a huge portion of that price."
"We have saved man-hours and decreased our security exposure."
"I was not involved in the purchase of the solution but I hear it is on the expensive side."
"I'm unable to give information on the pricing or licensing cost of VMware NSX because I've never been someone who looks into the economic part of any security or virtualization solutions. That's handled by an entirely different team, and I don't even have the slightest idea about the costs associated with the solution, though I've heard pricing for VMware NSX is on the higher side."
"VMware NSX is a cheaper product compared to its competitor, Cisco."
"If five is a good price and one is a high price, I would rate the price a one out of five."
"The price of VMware NSX is very good compared to other solutions."
"The solution is reasonable at the local level."
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Top Industries

By visitors reading reviews
Construction Company
22%
Financial Services Firm
10%
Government
10%
Insurance Company
10%
Financial Services Firm
11%
Outsourcing Company
8%
Manufacturing Company
8%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business34
Midsize Enterprise23
Large Enterprise69
 

Questions from the Community

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What are the biggest differences between Cisco ACI and VMware NSX?
There are some very major differences between both the Products and to name a few. -Cisco ACI have physical network gear (9K Switches) where the Code runs in ACI Policy Mode & the UCS server wh...
What are the biggest differences between Cisco ACI and VMware NSX?
Once you know your way around the Cisco ecosystem, using Cisco ACI is not so difficult. It is a global product, so when you change one interface, changes are automatically reflected on every switch...
What is your experience regarding pricing and costs for VMware NSX?
When measuring complexity and costs for our organization, we consider some parameters for effectiveness. In terms of effectiveness in reducing operational complexity, I measure it to be high on the...
 

Also Known As

APEIRO, ShieldX APEIRO
VMware Nicira, Lastline Defender
 

Overview

 

Sample Customers

Iowa State University
City of Avondale, Lumeta, Kroll Ontrack, Heartland Payment Systems, Baystate Heallth, Exostar, Tribune Media, iGATE, NTT Communications, Synergent, California Natural Resources Agency, Bloomington Public Schools, Columbia Sportswear, Join Experience S.A, Schuberg Philis
Find out what your peers are saying about ShieldX vs. VMware NSX and other solutions. Updated: August 2026.
911,769 professionals have used our research since 2012.