External Attack Surface Management Tools
External attack Surface Management tools for discovering and securing internet-facing assets, domains, and exposed services.
Browse 155 external attack surface management tools
FEATURED
Data verified Apr 2026
USE CASES
155 tools · 56 free, 99 commercial|Related:
External Attack Surface Management Tools FAQ
Common questions about External Attack Surface Management tools, selection guides, pricing, and comparisons.
EASM tools discover internet-facing assets including: domains and subdomains (including forgotten ones), IP addresses and open ports, cloud resources, web applications and APIs, SSL certificates (including expired ones), email servers, exposed databases, code repositories, and third-party services connected to your infrastructure. Many organizations are surprised to find 30-50% more assets than they knew about.
Have more questions? Browse our categories or search for specific tools.