TL;DRSignatures aren’t enough: Signature checks via OIDC cover only 15% of leaked JWTs, and a valid signature names neither the service that issued a token nor whether that token still works.Attribution: 345 rules matched 86% of about 2.4 million tokens…

The post A Valid Signature Isn’t Enough: Attributing and Validating Leaked JWTs appeared first on Security Boulevard.

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Source: Security Boulevard
Source Link: https://securityboulevard.com/2026/11/a-valid-signature-isnt-enough-attributing-and-validating-leaked-jwts/