Microsoft Defender External Attack Surface Management
Stop Ransomware with Microsoft Security
Continuous visibility beyond the firewall
Multicloud visibility
Identify exposed weaknesses
Be more efficient
Save up to 60 percent by using Microsoft Security rather than multiple point solutions.1
The external attack surface management challenge
Capabilities
Discover, classify, and prioritize exposed weaknesses in the cloud, SaaS, and IaaS resources to strengthen security posture.
- Real-time inventory
- Attack surface visibility
- Exposure detection and prioritization
- More secure management for every resource
Real-time inventory
Use dynamic, always-on inventory monitoring to find, analyze, and categorize external-facing resources as they appear.
Attack surface visibility
Discover external assets across multiple cloud environments, including unknown resources like shadow IT.
Exposure detection and prioritization
Uncover vulnerabilities throughout every layer of your external attack surface, including frameworks, web pages, components, and code.
More secure management for every resource
Help protect newly discovered resources in the Microsoft Defender for Cloud portal.
Real-time inventory
Use dynamic, always-on inventory monitoring to find, analyze, and categorize external-facing resources as they appear.
Attack surface visibility
Discover external assets across multiple cloud environments, including unknown resources like shadow IT.
Exposure detection and prioritization
Uncover vulnerabilities throughout every layer of your external attack surface, including frameworks, web pages, components, and code.
More secure management for every resource
Help protect newly discovered resources in the Microsoft Defender for Cloud portal.
Uncover your external attack surface
Get complete visibility into internet-exposed assets with code-level discovery through a global network that graphs online relationships.
Related products
Microsoft Defender for Cloud
Help protect against evolving threats across multicloud and hybrid environments.
Microsoft Defender Threat Intelligence
Help protect your organization from modern adversaries with a comprehensive view of your threat exposure.
Microsoft Sentinel
See and stop threats across your entire enterprise with intelligent security analytics.
Documentation and training
Blog
Announcement blog
Learn about exciting recent developments in threat intelligence from Microsoft.
Documentation
Documentation
Learn how to deploy and use External Attack Surface Management (EASM) in your environment.
Infographic
The scale and scope of cybercrime in 60 seconds
During a cyberattack, every second counts. We’ve condensed a year’s worth of cybersecurity research into one 60-second window.
Infographic
Understand your attack surface as it grows and evolves
Learn how EASM gives you real-time visibility into your expanding, constantly changing enterprise attack surface.
Protect everything
Organizations are now responsible for defending the internal network and everything beyond, including their digital presence across the internet and the cloud. Microsoft Defender External Attack Surface Management maps an organization’s internet-exposed presence. It provides complete visibility into managed and unmanaged external resources to understand the attack surface and classify and prioritize exposures, vulnerabilities, and misconfigurations.