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E8 Security vs Stellar Cyber Open XDR 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

E8 Security
Ranking in User Entity Behavior Analytics (UEBA)
38th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
No ranking in other categories
Stellar Cyber Open XDR
Ranking in User Entity Behavior Analytics (UEBA)
24th
Average Rating
0.0
Reviews Sentiment
7.0
Number of Reviews
2
Ranking in other categories
Security Information and Event Management (SIEM) (47th), Endpoint Detection and Response (EDR) (58th), Network Traffic Analysis (NTA) (19th), Security Orchestration Automation and Response (SOAR) (24th), Network Detection and Response (NDR) (20th), Extended Detection and Response (XDR) (35th), Identity Threat Detection and Response (ITDR) (19th)
 

Mindshare comparison

As of January 2026, in the User Entity Behavior Analytics (UEBA) category, the mindshare of E8 Security is 0.7%, up from 0.2% compared to the previous year. The mindshare of Stellar Cyber Open XDR is 2.2%, down from 3.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
User Entity Behavior Analytics (UEBA) Market Share Distribution
ProductMarket Share (%)
Stellar Cyber Open XDR2.2%
E8 Security0.7%
Other97.1%
User Entity Behavior Analytics (UEBA)
 

Featured Reviews

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JC
Global Director, Commercial Operations at Promasecure LLC
Automated security monitoring increases efficiency, but market visibility needs improvement
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 cater to everyone effectively. While I have not encountered significant drawbacks so far, market penetration is challenging due to the product's newness, despite its flexibility and customization features. I find their user interface to be quite good.
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Top Industries

By visitors reading reviews
No data available
Manufacturing Company
12%
Computer Software Company
11%
Comms Service Provider
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Questions from the Community

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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...
 

Overview

 

Sample Customers

HP, Cisco, Blue Coat, Cloudera, Bit9 + Carbon Black, Gigamon
Sumitomo Chemical USA, PlastiPak Packaging, University of Denver, Large California State Agency, Large Midwestern American City
Find out what your peers are saying about IBM, Exabeam, Varonis and others in User Entity Behavior Analytics (UEBA). Updated: January 2026.
880,901 professionals have used our research since 2012.