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Cortex XSIAM 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

Cortex XSIAM
Ranking in Security Information and Event Management (SIEM)
14th
Ranking in Identity Threat Detection and Response (ITDR)
7th
Average Rating
8.6
Reviews Sentiment
6.7
Number of Reviews
15
Ranking in other categories
AI-Powered Cybersecurity Platforms (8th)
Stellar Cyber Open XDR
Ranking in Security Information and Event Management (SIEM)
47th
Ranking in Identity Threat Detection and Response (ITDR)
19th
Average Rating
0.0
Reviews Sentiment
7.0
Number of Reviews
2
Ranking in other categories
User Entity Behavior Analytics (UEBA) (24th), 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)
 

Mindshare comparison

As of January 2026, in the Security Information and Event Management (SIEM) category, the mindshare of Cortex XSIAM is 2.4%, up from 2.3% compared to the previous year. The mindshare of Stellar Cyber Open XDR is 1.4%, up from 1.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM) Market Share Distribution
ProductMarket Share (%)
Cortex XSIAM2.4%
Stellar Cyber Open XDR1.4%
Other96.2%
Security Information and Event Management (SIEM)
 

Featured Reviews

reviewer2666148 - PeerSpot reviewer
Associate Director at a financial services firm with 5,001-10,000 employees
Integration challenges highlight the need for manual workflows
The standard integrations are very limited, and the integrations available are not listed in the marketplace. Obtaining validation for integrations from Palo Alto takes around eight months, which is quite long. The solution would benefit from having more standard playbooks and templates available, as in other partners. Currently, everything must be created from scratch. In terms of incident response automation, it is quite poor due to the lack of integration with all security tools, making manual intervention necessary.
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.

Quotes from Members

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

Pros

"The flexibility for creating manual workflows stands out."
"One of the valued aspects of the product is its use of artificial intelligence to detect security vulnerabilities."
"I would give Cortex XSIAM a rating of ten out of ten."
"Cortex XSIAM enhances our ability to apply endpoint protection policies, implement restrictions, conduct scans, and engage in sandboxing."
"The way the solution responds to detections and warnings is really impressive."
"The advanced visualization capabilities of the product are important for understanding security trends in an organization."
"It does a better job of identifying anomalies that are more likely to be incidents of compromise without as many false positives or false negatives."
"The most valuable feature is the integration capability."
"Stellar Cyber Open XDR offers these functionalities at a more affordable price, making it easier for me to position it with price-sensitive customers."
"It can integrate with almost any cybersecurity tool available in the market."
 

Cons

"Cortex XSIAM needs improvements in terms of data onboarding, parsers, and third-party integration supports."
"Cortex XSIAM is pretty expensive, and the licensing process is not very comfortable compared to CrowdStrike."
"At the beginning, we experienced some difficulties setting up the product with connectivity and infrastructure, but ultimately it functioned really effectively."
"I am not sure if any improvements are needed right now."
"It could provide more integration with a large variety of products."
"Cortex XSIAM is on the expensive side and requires substantial improvement in pricing."
"The support could be a bit faster."
"Cortex XSIAM is on the expensive side and requires substantial improvement in pricing."
"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."
 

Pricing and Cost Advice

"In terms of pricing, we found Cortex XSIAM to offer a very reasonable and competitive rate."
"The solution is expensive compared to its competitors."
"The solution comes at a significant cost."
"The product cost could be considered value for money compared to other solutions in the market, though it is quite high."
"Since Palo Alto is trying to get as many new customers as possible, they're offering very competitive pricing."
"It’s a single license platform."
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Top Industries

By visitors reading reviews
Computer Software Company
11%
Financial Services Firm
10%
Manufacturing Company
10%
Government
7%
Manufacturing Company
13%
Computer Software Company
10%
Comms Service Provider
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise2
Large Enterprise4
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Cortex XSIAM?
I did not participate in pricing discussions for Cortex XSIAM solutions, so I cannot provide a review regarding prices for this solution.
What needs improvement with Cortex XSIAM?
Cortex XSIAM is on the expensive side and requires substantial improvement in pricing. There are other features that could be improved, including integration with vendors such as CyberArk. I would ...
What is your primary use case for Cortex XSIAM?
With Cortex XSIAM, we installed an agent on Active Directory on-premise. We connected our Firewalls to the Data Lake and the Active Directory, and protected the Firewalls with another authenticatio...
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

Information Not Available
Sumitomo Chemical USA, PlastiPak Packaging, University of Denver, Large California State Agency, Large Midwestern American City
Find out what your peers are saying about Cortex XSIAM vs. Stellar Cyber Open XDR and other solutions. Updated: January 2026.
881,082 professionals have used our research since 2012.