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Cortex Xpanse vs Tenable Attack Surface Management comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jan 11, 2026

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 Xpanse
Ranking in Attack Surface Management (ASM)
8th
Average Rating
8.8
Reviews Sentiment
7.2
Number of Reviews
6
Ranking in other categories
No ranking in other categories
Tenable Attack Surface Mana...
Ranking in Attack Surface Management (ASM)
7th
Average Rating
10.0
Reviews Sentiment
9.3
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2026, in the Attack Surface Management (ASM) category, the mindshare of Cortex Xpanse is 2.6%, down from 5.2% compared to the previous year. The mindshare of Tenable Attack Surface Management is 2.2%, down from 5.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Attack Surface Management (ASM) Mindshare Distribution
ProductMindshare (%)
Tenable Attack Surface Management2.2%
Cortex Xpanse2.6%
Other95.2%
Attack Surface Management (ASM)
 

Featured Reviews

Ali Mohamed - PeerSpot reviewer
Account Manager at Cairo International Airport Co.
Proactively manages security and identifies vulnerabilities with good alerts
We use Cortex Xpanse as a security control for attack surface management in our organization When there is an alert from Cortex Xpanse regarding a certificate or surface, it prompts us to take immediate action. It checks vulnerabilities periodically, ensuring they are addressed, which helps in…
SR
Information Resources Coordinator - Application at PowerGen
Continuous monitoring has provided assurance and real‑time visibility into our OT environment security
The best features that Tenable Attack Surface Management offers are its easy availability and usability. The interface and dashboard give us the information at a glance, and it is easy to use with respect to learnability. We are satisfied with the product. Tenable Attack Surface Management dashboard provides important information at a glance. As soon as a user logs in, it provides information that can be used immediately for troubleshooting or analyzing. Tenable Attack Surface Management dashboard is very helpful, easy to set up, and gives all the information at a glance once you log in. Tenable Attack Surface Management governance and security give the user control to take action. It gives the user the ability to understand the alert and determine the appropriate action. Tenable Attack Surface Management accuracy and reliability of output is great. It flags the smallest threat or the smallest anomaly that it sees and gives a proper diagnosis of the anomaly. It gives the user the ability to determine if this is a false positive or a true attack with respect to what is going on in the OT environment.
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Government
9%
Computer Software Company
9%
Performing Arts
8%
Construction Company
9%
Manufacturing Company
9%
Performing Arts
8%
Comms Service Provider
7%
 

Company Size

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

Questions from the Community

What is your experience regarding pricing and costs for Cortex Xpanse?
I don't know the licensing or setup cost; I have no idea about the cost.
What needs improvement with Cortex Xpanse?
I'm not sure right now; I have nothing to comment on regarding what could be improved in the product. We are using it and we are satisfied. I have nothing to comment right now on what other feature...
What is your primary use case for Cortex Xpanse?
Cortex Xpanse is usually used for security from clients.
What is your experience regarding pricing and costs for Tenable Attack Surface Management?
Tenable Attack Surface Management setup experience with respect to price was good. The price was reliable and easy to manage, it was within our cost budget, and the license was quickly available on...
What needs improvement with Tenable Attack Surface Management?
One recommendation for Tenable Attack Surface Management is to offer more training with respect to the usability of the environment. It would be beneficial to have some type of certification or tra...
What is your primary use case for Tenable Attack Surface Management?
Tenable Attack Surface Management is used in our OT environment to monitor the activities within our operational technology environment. We use Tenable Attack Surface Management for detection, log ...
 

Also Known As

No data available
Tenable.asm
 

Overview

Find out what your peers are saying about TrendAI, Qualys, BitSight and others in Attack Surface Management (ASM). Updated: October 2026.
917,403 professionals have used our research since 2012.