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  1. Home
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  3. Microsoft Defender External Attack Surface Management
Logo of Microsoft Defender External Attack Surface Management

Microsoft Defender External Attack Surface Management

byMicrosoft
in External Attack Surface Management
4.3

Overview

Product Information on Microsoft Defender External Attack Surface Management

Updated 14th October 2025

What is Microsoft Defender External Attack Surface Management?

Microsoft Defender External Attack Surface Management software is designed to help organizations identify, assess, and monitor external-facing digital assets such as domains, IP addresses, and cloud services. The software provides continuous discovery of internet-exposed resources and evaluates potential vulnerabilities that may be exploited by malicious actors. It aggregates and analyzes data to help security teams understand and manage their external attack surface, enabling proactive security measures. The software supports risk prioritization and remediation workflows to reduce exposure and address vulnerabilities before they can be leveraged in cyber attacks. It aims to support organizations in strengthening their overall security posture by providing visibility and insights into external risks.

Microsoft Defender External Attack Surface Management Pricing

Microsoft Defender External Attack Surface Management software uses a subscription-based pricing model, typically structured per user or per resource being monitored. The software may offer different tiers based on the required feature set and the scale of external assets being tracked, with charges varying according to organization size and deployment options. Pricing information is made available through direct inquiry or via volume licensing agreements.

Overall experience with Microsoft Defender External Attack Surface Management

Cybersecurity Engineer
30B + USD, IT Services
FAVORABLE

“Visual Grouping of Digital Footprint Facilitates Understanding of Organization Resources”

4.0
Mar 4, 2026
This text serves as a placeholder and does not reflect the user’s review responses or opinions. This text serves as a placeholder and does not reflect the user’s review responses or opinions. This text serves as a placeholder and does not reflect the user’s review responses or opinions.
BUSINESS DEVELOPMENT MANAGER
250M - 500M USD, Miscellaneous
CRITICAL

“Effective Alerts and Notifications”

3.0
Nov 14, 2025
This text serves as a placeholder and does not reflect the user’s review responses or opinions. This text serves as a placeholder and does not reflect the user’s review responses or opinions. This text serves as a placeholder and does not reflect the user’s review responses or opinions.

About Company

Company Description

Updated 11th August 2023

Microsoft enables digital transformation for the era of an intelligent cloud and an intelligent edge. Its mission is to empower every person and every organization on the planet to achieve more. Microsoft is dedicated to advancing human and organizational achievement. Microsoft Security helps protect people and data against cyberthreats to give peace of mind.

Company Details

Updated 25th March 2024
Company type
Public
Year Founded
1975
Head office location
Redmond, Washington, United States
Number of employees
10000+
Annual Revenue
30B+ USD
Website
https://microsoft.com

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Key Insights

A Snapshot of What Matters - Based on Validated User Reviews

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Peer Discussions

Microsoft Defender External Attack Surface Management Reviews and Ratings

4.3

(152 Ratings)

Rating Distribution

5 Star
39%
4 Star
51%
3 Star
11%
2 Star
0%
1 Star
0%
Why ratings and reviews count differ?
  • Cybersecurity Engineer
    10B+ USD
    IT Services
    Review Source

    Visual Grouping of Digital Footprint Facilitates Understanding of Organization Resources

    4.0
    Mar 4, 2026
    Microsoft Defender External Attack Surface Management has one of the biggest benefits that, it provides visibility into assets that might otherwise go unnoticed. Instead of performing occasional manual checks, the system continuously monitors changes and highlights new or unusual exposures. This makes it easier for security teams to investigate potential risks and verify whether an asset is still needed or properly secured. There is a short adjustment period while validating discovered assets and understanding which ones belong to the organization, but once that process is completed the tool becomes a reliable source of external exposure insight.
  • Cybersecurity Engineer
    10B+ USD
    IT Services
    Review Source

    Visual Grouping of Digital Footprint Facilitates Understanding of Organization Resources

    4.0
    Mar 4, 2026
    Microsoft Defender External Attack Surface Management has one of the biggest benefits that, it provides visibility into assets that might otherwise go unnoticed. Instead of performing occasional manual checks, the system continuously monitors changes and highlights new or unusual exposures. This makes it easier for security teams to investigate potential risks and verify whether an asset is still needed or properly secured. There is a short adjustment period while validating discovered assets and understanding which ones belong to the organization, but once that process is completed the tool becomes a reliable source of external exposure insight.
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User Sentiment About Microsoft Defender External Attack Surface Management
Reviewer Insights for: Microsoft Defender External Attack Surface Management
Deciding Factors: Microsoft Defender External Attack Surface Management Vs. Market Average
Performance of Microsoft Defender External Attack Surface Management Across Market Features

Microsoft Defender External Attack Surface Management Likes & Dislikes

Like

The platform continuously scans the internet to identify domains, subdomains, IP ranges and other public infrastructure that may be associated with the organization. Discovered assets are grouped and linked together, making it easier to understand how different resources relate to the organization's digital footprint.

Like

The platform continuously scans the internet to identify domains, subdomains, IP ranges and other public infrastructure that may be associated with the organization. Discovered assets are grouped and linked together, making it easier to understand how different resources relate to the organization's digital footprint.

Like

The platform continuously scans the internet to identify domains, subdomains, IP ranges and other public infrastructure that may be associated with the organization. Discovered assets are grouped and linked together, making it easier to understand how different resources relate to the organization's digital footprint.

Dislike

What I disliked most was that some of the settings were buried deeper in menus than I would have liked. It took much longer to be able to find some of the things I needed compared to other programs.

Dislike

What I disliked most was that some of the settings were buried deeper in menus than I would have liked. It took much longer to be able to find some of the things I needed compared to other programs.

Dislike

What I disliked most was that some of the settings were buried deeper in menus than I would have liked. It took much longer to be able to find some of the things I needed compared to other programs.