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Stellar Cyber Open XDR vs VMware NSX comparison

 

Comparison Buyer's Guide

Executive Summary

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

Stellar Cyber Open XDR
Ranking in Network Detection and Response (NDR)
22nd
Average Rating
0.0
Reviews Sentiment
7.0
Number of Reviews
2
Ranking in other categories
Security Information and Event Management (SIEM) (51st), Endpoint Detection and Response (EDR) (59th), Security Orchestration Automation and Response (SOAR) (26th), Extended Detection and Response (XDR) (36th)
VMware NSX
Ranking in Network Detection and Response (NDR)
9th
Average Rating
8.0
Reviews Sentiment
6.9
Number of Reviews
103
Ranking in other categories
Network Virtualization (2nd), Cloud and Data Center Security (2nd), Network Traffic Analysis (NTA) (8th), Network Automation (6th), Microsegmentation Software (1st)
 

Mindshare comparison

As of June 2025, in the Network Detection and Response (NDR) category, the mindshare of Stellar Cyber Open XDR is 2.1%, up from 1.6% compared to the previous year. The mindshare of VMware NSX is 1.1%, up from 0.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Detection and Response (NDR)
 

Featured Reviews

Hrishiraj Bhattacharjee - PeerSpot reviewer
Correlates incidents, allows for quicker identification and helps prioritize investigations
The only challenge is, and that’s where we come into play, it’s a pretty high-tech platform. So, it’s difficult for small and medium-sized organizations to manage it on their own. It’s a very complex system. It requires a lot of expertise. All my guys who work on it have gone through certification from Stellar itself. There are three different certifications that you need to complete. Only then are you certified by Stellar to work on it. It’s a very complex platform. Not everyone can use it. A simple IT engineer or system admin won’t be able to handle it because it’s quite complex. You need to have an understanding of the industry, the subject, and the tool. So, just purchasing this tool or license and then using it on your own would be very difficult to configure and manage on a day-to-day basis. The pricing model is not suitable for small and medium companies, particularly small companies. The minimum pricing model they have is suitable for companies with more than one thousand users. So, if someone has 50 to 100 users, like typical small companies, it’s difficult for them because the cost involved is high. Stellar would charge you for those thousand users, but you do not need all those users. So what are they going to do? I guess Stellar does not want to target small companies directly and maybe relies on resellers and MSPs like us to sell it. So, that is something I would recommend changing. Otherwise, it’s a great tool, but because of the pricing model, small companies are unable to leverage the advantage of this beautiful tool. So, the pricing model should be suitable for small and medium businesses. The product currently has vulnerability monitoring and everything. But if they could also do something about vulnerability management and maybe patch management, that would be nice.
DanielBass - PeerSpot reviewer
Improves network security with micro-segmentation but setup is complex
I value the ability to dynamically configure our network on the fly using VMware NSX. This flexibility is a huge advantage because it allows us to avoid static configurations that come with traditional hardware setups. Additionally, the micro-segmentation feature is beneficial for adhering to strict security regulations from our security department.

Quotes from Members

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

Pros

"It can integrate with almost any cybersecurity tool available in the market."
"Stellar Cyber Open XDR offers these functionalities at a more affordable price, making it easier for me to position it with price-sensitive customers."
"The installation is straightforward, it took a couple of hours."
"The initial setup was straightforward. It follows a certain structure and you won't miss a step. It's all on the same level, step by step."
"The most valuable features are security and dynamic routing."
"It's what we use the CIS Benchmarks for. It's for employing hardening rules and keeping them up to date when things happen on our systems. So it's really configurations and stuff that harden and report back."
"I value the ability to dynamically configure our network on the fly using VMware NSX."
"I can definitely recommend VMware NSX to other users."
"The solution is very good at micro-segmentation."
"I have found VMware NSX to be easy to use."
 

Cons

"I would rate the stability at about five to six. The platform requires some fine-tuning, especially when integrating data sources and creating connectors."
"Support is an issue because they have a limited number of resources."
"The initial configuration and integration within our existing environment were not easy."
"The vendor should integrate a basic load balancer in future versions"
"A room for improvement in VMware NSX is that it has some security vulnerabilities, which means my company has to apply the patches every once in a while."
"I have no complaints regarding the user interface or any technical issues."
"The initial configuration and integration within our existing environment were not easy. The configuration process was a bit complex, specifically during the initial setup."
"One aspect that needs improvement is the need for further automation."
"It might be nice to have more AI in the future."
"The engineering team has room for improvement. They should have have more of a Knowledge Base about different case studies and should develop more advanced features. These kinds of improvements will change the way things get done."
 

Pricing and Cost Advice

"It’s a single license platform."
"The price of this product is too high."
"The price is pretty high."
"It is an expensive product, but cheaper than some competing solutions."
"Our customers have definitely complained about its cost. It's expensive. I'd rate it a nine out of ten in terms of pricing where ten represents a high price. There are other products out there that are equally expensive."
"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."
"The solution is free and the price for the support can be expensive."
"The cost of the solution is a bit high."
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Comms Service Provider
12%
Manufacturing Company
9%
Healthcare Company
6%
Computer Software Company
16%
Financial Services Firm
14%
Government
9%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Stellar Cyber Open XDR?
Pricing is a major benefit of Stellar Cyber Open XDR. I rate it between three and four on the cost scale. It offers functionalities at a significantly lower cost than rival products, enabling me to...
What needs improvement with Stellar Cyber Open XDR?
I am currently evaluating Stellar Cyber Open XDR in terms of their support. I do not see any major areas for improvement as of now. Their support is good, and the team is small, enabling them to ca...
What is your primary use case for Stellar Cyber Open XDR?
I use Stellar Cyber Open XDR ( /products/stellar-cyber-open-xdr-reviews ) as a 24/7 security monitoring tool, especially for customers with large and medium networks. It eliminates the need for a d...
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 do you like most about VMware NSX?
The product has valuable features for security and network extension.
 

Also Known As

No data available
VMware Nicira, Lastline Defender
 

Overview

 

Sample Customers

Sumitomo Chemical USA, PlastiPak Packaging, University of Denver, Large California State Agency, Large Midwestern American City
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 Stellar Cyber Open XDR vs. VMware NSX and other solutions. Updated: April 2025.
855,347 professionals have used our research since 2012.