Perspectives

External Attack Surface Management Promised Visibility — But Did It Deliver?

Graham-Rance
By Graham Rance
Field CTO
May 12, 2025

External Attack Surface Management (EASM) promised to illuminate the unknown, but early tools barely scratched the surface, relying on what security teams already knew. Today’s attacker-centric EASM flips the script, discovering unknown assets, mapping them to the business, and validating real-world risk with zero input. The result isn’t just visibility—it’s proof of exposure, and a clear path to action.



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