Post-Quantum Cryptography Deadline & Harvest-Now-Decrypt-Later Risk

PQC deadline synthesis: 2029 clustering (Google, Cloudflare, Microsoft), NSA 2027 mandate. 48x larger signatures a key concern. PQC threat to payment infrastructure — only 37% encrypt sensitive data at breach; harvest-now-decrypt-later risk is concrete. IBM-Thales solution pitched but problem framing solid.