dev.to· Oct 25, 2026· by jamilxt

How to Audit OAuth App Access After a SaaS Supply-Chain Breach

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A SaaS integration can remain trusted long after anyone remembers approving it. It may hold...
🎯 Vulnerability: OAuth 2.0 / JWT Authentication Bypass
💡 Defense Fix: Strictly verify JWT signatures on the backend, enforce state parameter validation, and reject 'alg: none'.
#security#oauth#microsoft#cloud