How JWT Signing Keys Are Issued and Rotated (and Why 'alg' Deserves Distrust)
Someone forwards a coupon that looks like it came from your store — same name, same styling. It’s...
🎯 Vulnerability: OAuth 2.0 / JWT Authentication Bypass
💡 Defense Fix: Strictly verify JWT signatures on the backend, enforce state parameter validation, and reject 'alg: none'.