Your Digital Signing Cryptography Has an Expiration Date: What NIST Published and How to Migrate Your HSM

NIST finalized post-quantum standards in August 2024. RSA and ECDSA have a 2035 deadline. If you're signing documents, JWTs, or certificates with an HSM, this affects you right now — here's ML-DSA, what it means for your hardware, and what to do this week.