JWT in Depth: Verification Pitfalls, the Classic Attacks, and Key Rotation with JWKS
How JWS differs from JWE, the claims you must check, alg: none, RS256/HS256 confusion, kid injection, jku abuse — and how to pin algorithms with jose, rotate JWKS keys without logging anyone out, revoke tokens, and test your verifier with the malicious tokens attackers will actually send.
Systems & architecture18 min