Key Takeaways Adversaries may already be collecting your encrypted data, waiting for quantum computers to make it readable—an active threat called harvest now, decrypt later (HNDL). The window to address this threat is shorter than you think. The first NSA post-quantum cryptography (PQC) compliance deadline is January 1, 2027. The hardest part of PQC migration
When Should Organizations Start Post-Quantum Cryptography Migration?
