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Bitsight 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

Bitsight
Ranking in Attack Surface Management (ASM)
14th
Average Rating
8.6
Reviews Sentiment
7.8
Number of Reviews
6
Ranking in other categories
IT Vendor Risk Management (4th)
Microsoft Defender External...
Ranking in Attack Surface Management (ASM)
13th
Average Rating
7.6
Reviews Sentiment
6.0
Number of Reviews
2
Ranking in other categories
Microsoft Security Suite (33rd)
 

Mindshare comparison

As of March 2025, in the Attack Surface Management (ASM) category, the mindshare of Bitsight is 3.0%, up from 0.0% compared to the previous year. The mindshare of Microsoft Defender External Attack Surface Management is 2.8%, down from 3.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Attack Surface Management (ASM)
 

Featured Reviews

Marc Chapel - PeerSpot reviewer
Stable product with efficient features for listing vulnerabilities
I recommend BitSight because it is very convenient to use. It has become a standard tool used in many companies. It is easy to share a few components of an algorithm for users. It is not ideal as it only reflects some of the reality of Internet-facing applications. However, it is the best solution at the moment. I rate it an eight out of ten.
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

"Its customer service team responds quickly."
"The solution is user-friendly."
"Offers open ports from an external point of view."
"The best thing about BitSight is the comprehensive list of risk vectors, covering compromised systems, diligence failures, and behavioral anomalies."
"The product helps us identify the vulnerabilities of internet-facing applications."
"I prefer BitSight due to its patch management capabilities. The score is a valuable feature. I have contacted the customer support through e-mail and their response rate is fast. I rate the solution a nine out of ten."
"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."
"Microsoft External Attack Surface Management helps improve the visibility of my exposed vulnerabilities and provides an overview of my security posture across the globe."
 

Cons

"Its factor analysis feature could be better."
"At the moment, when the vulnerability score decreases, it remains the same for quite a while, even though issues are resolved in 24 hours."
"There may be room for improvement in the methodology for identifying findings, as occasional errors occur on the technical side."
"BitSight could improve the classes and lower-level detections of anomalies that compound the information used to compute the rating."
"Data enrichment is the major issue."
"The solution’s benchmarking should be improved."
"With Microsoft, support is always crazy, it's not easy to get support."
"The integration is not as seamless compared to competitors like Palo Alto."
"Further integration across different Microsoft products would be an improvement."
 

Pricing and Cost Advice

"The product has a reasonable price."
"The solution's price is average."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
18%
Computer Software Company
13%
Manufacturing Company
9%
Insurance Company
8%
Computer Software Company
19%
Financial Services Firm
12%
Energy/Utilities Company
5%
Healthcare Company
5%
 

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 BitSight?
The product is a little expensive and very oriented to large companies.
What needs improvement with BitSight?
BitSight could improve the classes and lower-level detections of anomalies that compound the information used to compute the rating. They could evolve to be a more powerful scanner of cyber hygiene...
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

 

Sample Customers

Fannie Mae, Cabela's, BNP Paribas, PWC, AIR Worldwide, Con Edison, The Container Store, OshKosh, Steris, University of South Florida, Emblem Health, Lloyds Bank
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Find out what your peers are saying about Bitsight vs. Microsoft Defender External Attack Surface Management and other solutions. Updated: February 2025.
842,672 professionals have used our research since 2012.