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Microsoft Defender External Attack Surface Management vs Microsoft Purview Data Governance comparison

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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

Microsoft Defender External...
Ranking in Microsoft Security Suite
33rd
Average Rating
7.6
Reviews Sentiment
6.0
Number of Reviews
2
Ranking in other categories
Attack Surface Management (ASM) (16th)
Microsoft Purview Data Gove...
Ranking in Microsoft Security Suite
13th
Average Rating
7.6
Reviews Sentiment
6.6
Number of Reviews
60
Ranking in other categories
Data Governance (2nd)
 

Mindshare comparison

As of October 2026, in the Microsoft Security Suite category, the mindshare of Microsoft Defender External Attack Surface Management is 1.3%, up from 0.4% compared to the previous year. The mindshare of Microsoft Purview Data Governance is 4.6%, down from 4.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Microsoft Security Suite Mindshare Distribution
ProductMindshare (%)
Microsoft Purview Data Governance4.6%
Microsoft Defender External Attack Surface Management1.3%
Other94.1%
Microsoft Security Suite
 

Featured Reviews

AndyChan3 - PeerSpot reviewer
General manager at a tech services company with 201-500 employees
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…
AS
Tech lead at a healthcare company with 5,001-10,000 employees
Automated data discovery has streamlined management while configuration remains complex
Compared to Big-ID, Microsoft Purview Data Governance looks complicated to me. I do not feel it has a good user-level UI. The interface feels a little complicated compared to Big-ID. I did not appreciate the configuration part. It felt complex, whereas when I went for a Big-ID demo, the interface looked better and was easier to understand for any user.

Quotes from Members

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

Pros

"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."
"The sensitivity labeling is the most valuable feature because it is the foundation for automating the encryption process and ensuring proper data handling across the organization."
"I like Purview's data discovery features. It automatically scans and identifies all the fields. In the last project, the customer required us to have some of the codes we specified in this, and we had to structure the codes in a specific way. We can define the structure."
"The DLP part and the AI related ones are the most valuable features; I mostly appreciate their automated data discovery."
"It gives you the opportunity to know your data and apply policies around it. If those policies are flouted, you can always track what's happening. You have options such as alerting the person who is committing that action, or you can take automatic action by blocking, for example, an email that is been sent externally. It's very useful."
"The availability of pre-designed policies tailored to specific geolocations and customer requirements is a valuable feature."
"The most valuable feature is the tracking activity and device onboarding."
"Data authentication enables us to classify documents based on whether they should be restricted for internal consumption or permitted for external sharing."
"The best part is that I can create classifications per my requirements. I use it to classify multiple platforms like AWS, GCP, Azure, and different file sharing systems."
 

Cons

"Further integration across different Microsoft products would be an improvement."
"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."
"One area for improvement is better documentation on what is working and what is not, as well as what features are allowed depending on your licensing model. It's essential to know if a feature isn't working due to missing licenses."
"We are currently in the rollout phase, so I am not entirely sure about specific areas of improvement. However, there are some problems with DLP rules, and it would be great if the security around DLP could be expanded."
"Privacy features should be integrated into the core product rather than offered as optional add-ons, as privacy is not a luxury but a fundamental requirement."
"In my experience, Purview hasn't come far enough yet to help us reduce the number of solutions that interact with each other."
"The custom data classification for the African region needs to be improved."
"I would like to have AI functionality on the dashboard to help me analyze and report on the data that we capture using Purview on a daily basis."
"Blueprints and landing zones like we have in Azure would be great to see in Purview. The solution could offer a baseline or blueprint of recommended settings for compliance regulations such as GDPR and ISO, which could be applied with a simple switch in the options."
"As Microsoft Purview got a little more mature, the deployments got a little more complex, as we were kind of seeing that there are a lot of ways, like there were a hundred ways to do one thing or less."
 

Pricing and Cost Advice

Information not available
"I consider it cost-efficient because of the metrics it provides."
"It's not cheap. I'm not exactly sure how much our license costs, but it is very expensive."
"There is some competition out there, but the other solutions are quite expensive. They are enterprise tools that are a bit more mature but the license costs $100,000 for some of them. Purview is pay-per-use and a lot of companies are interested in that."
"The pricing is decent. It is neither too low nor too high. Given its capabilities, the pricing is justified."
"People often and unjustly say that Microsoft product pricing is not in the scope of reality, that it's just too expensive at times. I do not feel that is the case at all... If I'm able to let go of 30 to 70 percent of my IT administration staff, that makes up for a lot of money."
"While Purview's standard pricing might not be accessible to most small businesses, we were fortunate to benefit from the educational pricing which made it a financially viable option for our needs."
"Licensing is frustrating due to multiple modules and licenses. The feature might be available in the console, but it won't work without the proper license, creating confusion."
"The solution is extremely affordable for the K-12 space."
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915,341 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Outsourcing Company
14%
Computer Software Company
10%
Financial Services Firm
9%
Comms Service Provider
6%
Financial Services Firm
13%
Computer Software Company
10%
Manufacturing Company
7%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise12
Large Enterprise33
 

Questions from the Community

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 ...
What is your experience regarding pricing and costs for Microsoft Azure Purview?
Microsoft Purview Data Governance is quite affordable compared to other market solutions, which have high initial costs. It allows for a cost-effective start with negligible initial cost. However, ...
What needs improvement with Microsoft Azure Purview?
The features in the actual data governance could be improved, and I think there is room for improvement in the product. We haven't used role-based access control in a complex way; it's somehow embe...
What is your primary use case for Microsoft Azure Purview?
We are currently working with Microsoft Purview Data Governance and other Microsoft products. We are using Microsoft Purview Data Governance.
 

Also Known As

No data available
Microsoft Purview, MS Azure Purview
 

Overview

Find out what your peers are saying about Microsoft Defender External Attack Surface Management vs. Microsoft Purview Data Governance and other solutions. Updated: September 2026.
915,341 professionals have used our research since 2012.