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Microsoft Defender External Attack Surface Management vs Microsoft Entra ID 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 Entra ID
Ranking in Microsoft Security Suite
2nd
Average Rating
8.6
Reviews Sentiment
7.0
Number of Reviews
278
Ranking in other categories
Single Sign-On (SSO) (2nd), Authentication Systems (1st), Identity Management (IM) (2nd), Identity and Access Management as a Service (IDaaS) (IAMaaS) (1st), Access Management (1st)
 

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 Entra ID is 7.3%, down from 8.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Microsoft Security Suite Mindshare Distribution
ProductMindshare (%)
Microsoft Entra ID7.3%
Microsoft Defender External Attack Surface Management1.3%
Other91.4%
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…
Stafin Jacob - PeerSpot reviewer
Microsoft 365 Security & Compliance Practice Lead at Invoke
Identity has become our central gatekeeper and has provided secure single sign-on for all users
Microsoft Entra ID can improve by focusing more on new passwordless methods and becoming a primary adopter. One feature we would like to see is the ability to have security questions for password resets. I know the current capability is phasing out, so we do not have an alternative method yet. Customers who already use security questions require a smoother transition for that capability to be available. My experience with the deployment has had some challenges, particularly around the Microsoft MFA campaigns. The hardest part is moving users from a different MFA provider to the Microsoft MFA provider, as it ultimately depends on user activity. In large enterprises with numerous users across various geographies, this transition takes time. If there are ways to exert more control around that process, it would improve the situation.

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."
"It is one of those costs where you can't really quantify a return on investment. In the grand scheme of things, if we didn't have it, we would probably have a lot more breaches. It would be a lot harder to detect issues because we would have people using static usernames and passwords for various sites, making us open to a lot more attacks. The amount of security and benefit that we get out of it is not quantifiable but the return of investment from a qualitative point of view is much higher than not having it."
"Syncing with our on-prem Active Directory is valuable because we do not have to keep multiple identities for each of our staff members. We can easily evaluate login risks and provide access for SSO via 365 into applications, such as Salesforce, and other things that we run our business on."
"The single sign-on is the most valuable aspect of the solution."
"I love how it uniquely identifies a person universally. If you have the email address, it will be the same account across most platforms. If everything is set up correctly, it's easy to identify a person and get all kinds of information about them from Azure or whichever system."
"Using Azure AD has improved our security posture overall, more than anything I've ever worked with."
"The scalability of the product is decent."
"Conditional Access, Geofencing, and Azure Multi-Factor Authentication are the major security features to secure resources."
"I rate Microsoft Entra ID ten out of ten."
 

Cons

"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."
"I would rate it an eight out of ten. The price plays a factor in the rating."
"The management interface has some areas that need improvement."
"The technical support has its downsides and upsides. While they are fast, it can take time to get the right person because there are many steps to reach the appropriate team member at Microsoft support, which can be somewhat annoying."
"Better deployment management and visibility functionality would be helpful."
"Microsoft support has some room for improvement. I avoid contacting them because it can be time-consuming."
"There are four levels of subscription and the security features are not available for free. At the free or basic level of service, Azure should provide identity protection features including single sign-on and multifactor authentication."
"Microsoft often changes settings, and many features are scattered."
"My only pain point in this solution is creating group membership for devices."
 

Pricing and Cost Advice

Information not available
"We pay a yearly license. Licenses are very expensive."
"We got a good deal. If you get rid of all the products providing features that Azure Suite can provide, then it makes sense cost-wise."
"Licenses are based on the usage. There is no cap. It's based on the number of users we provision."
"I do not have experience with pricing."
"It comes free with the Microsoft account. We have a yearly agreement, and all products are covered under it."
"Pricing-wise, they offer a stepladder approach. You can start with the lowest level features, then start increasing based on new requirements."
"This product is sold as part of the enterprise package and our licensing fees are paid on a yearly basis."
"Microsoft has a free version of Azure AD. So, if you don't do a lot of advanced features, then you can use the free version, which is no cost at all because it is underpinning Office 365. Because Microsoft gives it to you as a SaaS, so there are no infrastructure costs whatsoever that you need to incur. If you use the free version, then it is free. If you use the advanced features (that we use), it is a license fee per user."
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Top Industries

By visitors reading reviews
Outsourcing Company
13%
Computer Software Company
10%
Financial Services Firm
9%
Comms Service Provider
7%
Outsourcing Company
13%
Financial Services Firm
11%
Manufacturing Company
8%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business91
Midsize Enterprise42
Large Enterprise162
 

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 ...
How does Duo Security compare with Microsoft Authenticator?
We switched to Duo Security for identity verification. We’d been using a competitor but got the chance to evaluate Duo for 30 days, and we could not be happier. Duo Security is easy to configure a...
What is your experience regarding pricing and costs for Azure Active Directory?
I primarily use Microsoft Entra ID's free tier, so I have not faced any issues with pricing; I hope this free tier remains available for some time.
What needs improvement with Azure Active Directory?
To improve Microsoft Entra ID, I believe it should be openable with third-party applications to use Microsoft Authenticator, which is currently tied to Entra. There should definitely be a way to re...
 

Also Known As

No data available
Azure AD, Azure Active Directory, Azure Active Directory, Microsoft Authenticator
 

Interactive Demo

Demo not available
 

Overview

 

Sample Customers

Information Not Available
Microsoft Entre ID is trusted by companies of all sizes and industries including Walmart, Zscaler, Uniper, Amtrak, monday.com, and more.
Find out what your peers are saying about Microsoft Defender External Attack Surface Management vs. Microsoft Entra ID and other solutions. Updated: September 2026.
917,433 professionals have used our research since 2012.