Topic starter
25/10/2026 11:02 am
TL;DR: Post-quantum cryptography has moved from lab theory to active deployment, with NIST-backed standards already being implemented at scale and migration deadlines accelerating across major jurisdictions, according to Fortanix. The real blocker is not algorithm choice but cryptographic visibility, because most enterprises still cannot inventory where RSA and elliptic-curve dependencies live.
Editorial analysis by NHI Mgmt Group, based on content published by Fortanix: “How to Prepare for Post-Quantum Cryptography”.
Key questions
A: Start with the links that carry long-lived sensitive data and high-value administrative traffic, then use hybrid cryptography where classical and post-quantum methods can coexist.
Q: Why do post-quantum deadlines matter even if quantum computers are not here yet?
A: Because attackers can harvest encrypted data now and decrypt it later when quantum hardware becomes capable.
Q: What usually breaks during a post-quantum cryptography transition?
A: The weak point is usually not the new algorithm itself but the dependencies around it.
Practitioner guidance
- Build a cryptographic asset inventory Map every algorithm, key, certificate, library, and dependent system across cloud, on-premises, and third-party environments so migration scope is visible.
- Prioritise long-lived data and critical systems first Rank systems by confidentiality horizon, business criticality, and dependency complexity so the highest-risk trust paths move ahead of routine upgrades.
- Test hybrid modes before production cutover Use controlled lab and staging environments to validate interoperability, performance, and fallback behaviour before changing live trust chains.
Bottom line: Post-quantum migration is constrained less by algorithm availability than by the poor visibility many organisations still have into their cryptographic estate.
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