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Microsoft Defender External Attack Surface Management vs Microsoft Defender for Business 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
34th
Average Rating
7.6
Reviews Sentiment
6.0
Number of Reviews
2
Ranking in other categories
Attack Surface Management (ASM) (12th)
Microsoft Defender for Busi...
Ranking in Microsoft Security Suite
15th
Average Rating
7.8
Reviews Sentiment
7.1
Number of Reviews
17
Ranking in other categories
Endpoint Protection Platform (EPP) (25th)
 

Mindshare comparison

As of April 2025, in the Microsoft Security Suite category, the mindshare of Microsoft Defender External Attack Surface Management is 0.2%, up from 0.1% compared to the previous year. The mindshare of Microsoft Defender for Business is 2.9%, down from 3.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
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…
Syed Abid  - PeerSpot reviewer
Advanced threat protection secures diverse workloads with cost-effective deployment
If I need logs and don't have local storage bundled with Defender, I need to add workspace and log analytics, which is costly for storing logs of 2 GB, 5 GB, 10 GB. A default storage of 5 GB for logs should be included with Defender. There are limitations in whitelisting folders and files, and the whitelisting feature for Defender threat protection was deprecated. A straightforward feature for this should be added.

Quotes from Members

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

Pros

"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."
"The most effective features of Microsoft Defender for Business include its threat detection and response capabilities in managing vulnerabilities and ransomware attacks."
"I haven't had any problems with the tool's stability."
"The security features are valuable because they come with more capabilities that other licenses do not have, including the enterprise license like E3."
"Microsoft Defender for Business stands out due to its ease of use, particularly due to the fact that many of my customers already use Microsoft and Azure."
"A few things are valuable. One is the alerting we see when any kind of intrusion is happening, any kind of malware is being deployed across the endpoints, or any kind of suspicious activity is going on. We have a footprint across all of North America, Canada, and Mexico, so we want to make sure that all our endpoints are protected and we are able to look for any anomalous activity."
"The interface is quite user-friendly."
"I recommend Microsoft Defender for Business to startup organizations looking for a plug-and-play solution."
"Everything is stable. There have been no technical errors or stability issues."
 

Cons

"Further integration across different Microsoft products would be an improvement."
"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."
"Pricing could be lowered as it is expensive and not suitable for low-budget organizations."
"Pricing could be lowered as it is expensive and not suitable for low-budget organizations."
"Defender's threat protection should be fine-tuned to reduce false positives. It could be more targeted, reflecting a continuous evolution in detecting. Also, it could be easier to integrate into other environments."
"It is not quick to make exclusions or specific configurations compared to other antiviruses on the market."
"The biggest one is that Defender needs to be more proactive to the emerging threats. There can be tighter integration with email, especially how it integrates with our email system, which is the Microsoft Outlook suite. There should be the ability to react a lot quicker to emerging threats because sometimes, it takes a few days before some of these new threats are fully identified, and we need that to be a few hours."
"We face a licensing issue with Windows 11 Enterprise not reflecting in our portal, which affects activation. Microsoft's support did not resolve this issue, even after sharing remote desktop and screen details."
"We faced some issues while running some applications on Mac."
"Additionally, the pricing policy poses a challenge, particularly in multi-year contracts, where other solutions like Trend Micro offer more affordable options."
 

Pricing and Cost Advice

Information not available
"The tool is cheap, while some other solutions are more expensive. I remember the tool cost about five euros for a workstation or for a user on a monthly basis."
"Defender for Business is included by default with an Office 365 premium subscription."
"It has to get more competitive because we are starting to see some of the competitors providing better pricing, and some of it, of course, is to gain market share. The Defender product pricing is probably a little higher than the competitors."
"The tool's cost has been a little high, but I do not think it was terrible."
"Since we're a nonprofit, we get pretty good discounts on the tool."
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Top Industries

By visitors reading reviews
Computer Software Company
18%
Financial Services Firm
12%
Manufacturing Company
6%
Insurance Company
6%
Computer Software Company
18%
Comms Service Provider
7%
Retailer
7%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

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 do you like most about Microsoft Defender for Business?
A few things are valuable. One is the alerting we see when any kind of intrusion is happening, any kind of malware is being deployed across the endpoints, or any kind of suspicious activity is goin...
What is your experience regarding pricing and costs for Microsoft Defender for Business?
Microsoft Defender for Business offers the best pricing option in the market and is very cost-effective.
What needs improvement with Microsoft Defender for Business?
The areas where Microsoft Defender for Business could improve include the support, installation process, and wiki. I should be able to find solutions to issues quickly without having to delve too d...
 

Overview

Find out what your peers are saying about Microsoft Defender External Attack Surface Management vs. Microsoft Defender for Business and other solutions. Updated: February 2025.
848,207 professionals have used our research since 2012.