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Cortex XSIAM vs Tenable 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
8.6
Reviews Sentiment
6.9
Number of Reviews
14
Ranking in other categories
Security Information and Event Management (SIEM) (13th), Identity Threat Detection and Response (ITDR) (5th), AI-Powered Cybersecurity Platforms (7th)
Tenable Attack Surface Mana...
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
Attack Surface Management (ASM) (10th)
 

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 2.9%, up 1.5% compared to last year.
Tenable Attack Surface Management, on the other hand, focuses on Attack Surface Management (ASM), holds 4.6% mindshare, up 3.8% since last year.
Security Information and Event Management (SIEM) Market Share Distribution
ProductMarket Share (%)
Cortex XSIAM2.9%
Wazuh10.9%
Splunk Enterprise Security9.3%
Other76.9%
Security Information and Event Management (SIEM)
Attack Surface Management (ASM) Market Share Distribution
ProductMarket Share (%)
Tenable Attack Surface Management4.6%
CrowdStrike Falcon11.9%
Darktrace7.9%
Other75.6%
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.
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Manufacturing Company
10%
Financial Services Firm
10%
Government
7%
Computer Software Company
12%
Manufacturing Company
12%
Financial Services Firm
11%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise2
Large Enterprise3
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 cost of Cortex XSIAM in the India market differs from other regions. When considering competition, from a sales perspective, the pricing is acceptable.
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 ...
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Also Known As

No data available
Tenable.asm
 

Overview

Find out what your peers are saying about Splunk, Wazuh, Microsoft and others in Security Information and Event Management (SIEM). Updated: September 2025.
868,029 professionals have used our research since 2012.