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Cortex XSIAM vs Microsoft Defender External Attack Surface Management 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
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
12
Ranking in other categories
Security Information and Event Management (SIEM) (14th), Identity Threat Detection and Response (ITDR) (5th), AI-Powered Cybersecurity Platforms (7th)
Microsoft Defender External...
Average Rating
7.6
Reviews Sentiment
6.0
Number of Reviews
2
Ranking in other categories
Attack Surface Management (ASM) (12th), Microsoft Security Suite (34th)
 

Mindshare comparison

While both are Security Software solutions, they serve different purposes. Cortex XSIAM is designed for Security Information and Event Management (SIEM) and holds a mindshare of 3.0%, up 1.0% compared to last year.
Microsoft Defender External Attack Surface Management, on the other hand, focuses on Attack Surface Management (ASM), holds 3.2% mindshare, up 2.7% since last year.
Security Information and Event Management (SIEM)
Attack Surface Management (ASM)
 

Featured Reviews

AKASH MAJUMDER - PeerSpot reviewer
Incident response times have significantly reduced with efficient device integration and log parsing capabilities
Cortex XSIAM needs improvements in terms of data onboarding, parsers, and third-party integration supports. Additionally, a future update request is to enable tagging of endpoints in groups, similar to a feature available in Cortex XDR. The AI analytics need fine-tuning because some use cases are not working from my side.
AndyChan3 - PeerSpot reviewer
Enhanced visibility and exposes vulnerabilities but needs more integration
I am currently in the pilot stage of implementing Microsoft External Attack Surface Management (EASM). My organization is transitioning to a comprehensive track of Microsoft solutions, and we will move to full-scale production in another year, maybe Microsoft External Attack Surface Management…

Quotes from Members

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

Pros

"Cortex XSIAM enhances our ability to apply endpoint protection policies, implement restrictions, conduct scans, and engage in sandboxing."
"The flexibility for creating manual workflows stands out."
"Since implementing Cortex XSIAM, incident response times have been significantly reduced by approximately twenty percent."
"One of the valued aspects of the product is its use of artificial intelligence to detect security vulnerabilities."
"The most valuable feature is the integration capability."
"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."
"The flexibility for creating manual workflows stands out."
"Microsoft External Attack Surface Management helps improve the visibility of my exposed vulnerabilities and provides an overview of my security posture across the globe."
"Microsoft External Attack Surface Management helps improve the visibility of my exposed vulnerabilities and provides an overview of my security posture across the globe."
"It seems to be better at protecting from cyberattacks."
 

Cons

"Cortex XSIAM is pretty expensive, and the licensing process is not very comfortable compared to CrowdStrike."
"It could provide more integration with a large variety of products."
"The first impression is that XSIAM would be more expensive than others we tried."
"Cortex XSIAM needs improvements in terms of data onboarding, parsers, and third-party integration supports."
"The solution’s pricing and technical support could be improved."
"Further integration capabilities with various other software products that can seamlessly tie into Cortex XSIAM would be advantageous."
"The support could be a bit faster."
"I am not sure if any improvements are needed right now."
"The integration is not as seamless compared to competitors like Palo Alto."
"With Microsoft, support is always crazy, it's not easy to get support."
"Further integration across different Microsoft products would be an improvement."
 

Pricing and Cost Advice

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

By visitors reading reviews
Computer Software Company
13%
Manufacturing Company
10%
Financial Services Firm
9%
Government
7%
Computer Software Company
20%
Financial Services Firm
13%
Manufacturing Company
6%
Energy/Utilities Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Cortex XSIAM?
It is an effective solution in terms of performance and functionalities.
What is your experience regarding pricing and costs for Cortex XSIAM?
The licensing cost of Cortex XSIAM is more or less the same as Splunk, making it quite expensive compared to other tools. There are additional expenses for more functionalities.
What needs improvement with Cortex XSIAM?
Cortex XSIAM needs improvements in terms of data onboarding, parsers, and third-party integration supports. Additionally, a future update request is to enable tagging of endpoints in groups, simila...
What needs improvement with Microsoft Defender External Attack Surface Management?
Further integration across different Microsoft products would be an improvement. Introduction of more AI automation into the products would also be beneficial. The integration is not as seamless co...
What is your primary use case for Microsoft Defender External Attack Surface Management?
I am currently in the pilot stage of implementing Microsoft External Attack Surface Management (EASM). My organization is transitioning to a comprehensive track of Microsoft solutions, and we will ...
 

Overview

Find out what your peers are saying about Splunk, Wazuh, Microsoft and others in Security Information and Event Management (SIEM). Updated: June 2025.
857,162 professionals have used our research since 2012.