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Sufficiently capable quantum computers could break widely used public-key algorithms. Timelines are uncertain, but data encrypted today may need to stay confidential for many years — which is why standards bodies have published post-quantum algorithms and organizations are beginning to plan.
Practical first steps
- Build an inventory of where and how cryptography is used across systems.
- Identify long-lived sensitive data that could be exposed to “harvest now, decrypt later” risk.
- Favor crypto-agile designs so algorithms can be replaced without re-architecting.
- Track vendor roadmaps for post-quantum support in TLS, VPNs, and key management.
A measured approach
Post-quantum readiness is a multi-year program, not an emergency. Starting with visibility and agility lets organizations adopt new standards as they mature.
Filed under Emerging Technology