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Microsoft Defender External Attack Surface Management vs Microsoft Entra ID 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

Microsoft Defender External...
Ranking in Microsoft Security Suite
32nd
Average Rating
7.6
Reviews Sentiment
6.0
Number of Reviews
2
Ranking in other categories
Attack Surface Management (ASM) (12th)
Microsoft Entra ID
Ranking in Microsoft Security Suite
2nd
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
236
Ranking in other categories
Single Sign-On (SSO) (1st), 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 2025, in the Microsoft Security Suite category, the mindshare of Microsoft Defender External Attack Surface Management is 0.4%, up from 0.2% compared to the previous year. The mindshare of Microsoft Entra ID is 8.4%, up from 7.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Microsoft Security Suite Market Share Distribution
ProductMarket Share (%)
Microsoft Entra ID8.4%
Microsoft Defender External Attack Surface Management0.4%
Other91.2%
Microsoft Security Suite
 

Featured Reviews

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…
Bahram Piri - PeerSpot reviewer
Security focus and seamless implementation increase platform productivity
Microsoft Entra ID can be improved in many ways, and there's a big wish list.If we're focusing on security, something that I definitely expect is improvement in the UI and UX for frontline workers. This is important, especially for non-tech savvy individuals. It is something Microsoft Entra ID could do to improve for a wider audience. It's important to focus on the frontline workers since they are non-tech savvy individuals. They are not like those back-office engineering C-level employees who are constantly dealing with computers, and we need to build a specific user experience and user interface for them to handle this stuff. That's something I expect Microsoft to focus on more for Microsoft Entra ID.

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."
"Microsoft External Attack Surface Management helps improve the visibility of my exposed vulnerabilities and provides an overview of my security posture across the globe."
"Multi-factor authentication (MFA) has improved our customers' security posture. Multi-factor authentication has two layers of authentication, which helps in case you input your credentials into a phishing website and then it has access to your credentials. So if they use your credentials, then you have proof on your phone that was sent to the end user."
"The most valuable features of Microsoft Entra ID are the login and the conditional access pieces."
"The scalability capabilities are quite high."
"The portal version of the Azure active directory is pretty robust."
"Delegated permissions and federated credentials are valuable features of Entra ID. We aim for a more secure environment by pushing for minimal use of static secrets. By utilizing delegated permissions, workflows can manage access, and federated credentials allow integration with platforms like GitHub and AWS. Entra ID drives our login and security perimeter, helping with multifactor authentication, despite the legacy systems."
"Microsoft Entra ID's integration capabilities influence our Zero Trust model by allowing us to enforce our Zero Trust model."
"The boards for task tracking are a valuable feature."
"Microsoft Entra ID acts as our core directory."
 

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."
"The technical support has room for improvement."
"Private access and internet access should be available in a less expensive licensing model."
"The area that needs improvement is integrating IDs between multiple environments and forests. In our case, it's hard to get the identities from multiple forests into one location."
"There is a concept of cross-tenant trust relationships, which I believe Microsoft is actively pursuing. That is something which in the coming days and years to come by will be very key to the success of Azure Active Directory, because many organizations are going into mergers and acquisitions or spinning off new companies. They will still have to access the old tenant information because of multiple legal reasons, compliance reasons, and all those things. So, there should be some level of tenant-level trust functionality, where you can bring people from other tenants to access some part of your tenant application. So, that is an area which is growing. I believe Microsoft is actively pursuing this, and it will be an interesting piece."
"My main concern is the occasional lack of documentation and the frequency of changes, which can make feature location challenging."
"We would like to have more granularity in the Azure conditional access in order to be able to manage more groups for devices and for applications."
"Microsoft Authenticator is as easy as Google Authenticator, but it is not open to all types of applications. Google Authenticator is integrated with other third-party platforms and applications, whereas Microsoft Authenticator is not. It should have more integration with third-party platforms and applications."
"In a hybrid deployment, when we update a license by changing the UPN or email address of a user, it does not get updated automatically during normal sync. This means that we have to update it manually from Azure, which is something that needs to be corrected."
 

Pricing and Cost Advice

Information not available
"Most features of Entra ID are part of Microsoft's ecosystem and included in Microsoft 365 bundles, which means there are no additional costs associated with pricing and licensing."
"It comes free with the Microsoft account. We have a yearly agreement, and all products are covered under it."
"For you to make use of some of the security features, you need to upgrade your licenses. If it is possible, could they just make some features free? For instance, for the Condition Access policy, you need to set that up and be on Azure AD P2 licensing. So if they could make it free or reduce the licensing for small businesses, that would be cool, as I believe security is for everyone."
"It is good. We have Office 365 E3, and then that is tied in with Azure Active Directory. I believe that we only have to pay for our technician-level access or IT department access for Azure Active Directory Premium, which I am sure they call Entra Premium P2 licensing, so it is not a very large cost. We just adopted that, and that gives us a lot of insights into user security that we would not otherwise have."
"Entra ID is not too bad, but Microsoft licensing generally is insane. Most customers normally buy a bundle license with Microsoft 365, E3, or E5. Out of our 2,000 customers, for 99.9% of our customers, the Entra ID license that they are getting through the part of that would be sufficient. There are some more advanced ones that give you a bit more functionality, but we probably have not had a customer for that. We do not even internally use that ourselves. When you buy the Entra ID license on its own, it is probably three or four pounds. You just get it included in the license."
"Licensing costs for Microsoft Entra ID remain a concern, especially with the price increases in 2023."
"Azure Active Directory has a very extensive licensing model. Most of the features are available in the free and basic version, and then there are premium P1 and P2 editions. The licensing model is based on how many users you have per month. In Australia, for a P1 license, the cost is 8 dollars. With P1 and P2 licenses, you get a lot of goodies around the security side of things. For example, User Identity Protection is available only in P2. These are extra features that allow you to have a pretty good security posture, but most of the required things are available in the free and basic version."
"Our customers are looking for advanced features and processes for it to be cost-effective for their organizations. They see it as an overpriced product. They are enjoying using Azure Active Directory, but they are looking for better prices."
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Top Industries

By visitors reading reviews
Computer Software Company
18%
Financial Services Firm
13%
Manufacturing Company
7%
Comms Service Provider
6%
Computer Software Company
13%
Financial Services Firm
11%
Manufacturing Company
9%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business80
Midsize Enterprise36
Large Enterprise132
 

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 do you like most about Azure Active Directory?
It is very simple. The Active Directory functions are very easy for us. Its integration with anything is very easy. We can easily do third-party multifactor authentication.
What is your experience regarding pricing and costs for Azure Active Directory?
The cost of Microsoft Entra ID is around $8 per month, which I find very reasonable.
 

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 2025.
869,202 professionals have used our research since 2012.