TLS 1.3 support does not prove quantum resistance. Understand how NIST IR 8547 Final affects key establishment, authentication, suppliers and the evidence needed for enterprise PQC migration.

X25519MLKEM768 explained: how post-quantum key exchange works inside TLS 1.3, why certificates are still classical, and how to test your own servers.

Key Takeaways: A full-estate Post-Quantum Cryptography (PQC) migration introduces unacceptable operational risk and unknown dependencies. A bounded PQC hybrid pilot isolates variables, captures decision-grade evidence, and proves rollback capabilities. Successful pilots require a complete Cryptographic Bill of Materials (CBOM) for the specific scope, an authenticated architecture, and a strict evidence contract. Governance gates must mandate three clear outcomes: Expand, Paus

Bridge, Mitigation, Quantum‑Washing, and Where It Fits in Transformation Hybrid cryptography is often presented as the bridge between classical cryptography and post‑quantum security. That description is broadly correct-but it is also incomplete. Hybrid is not: a replacement for classical cryptography, a finished post‑quantum architecture, or a permanent end‑state. It is a transitional mitigation model designed to reduce cryptographic exposure during a period where: quantum‑r