NCSC Timelines for Migration to Post-Quantum Cryptography (United Kingdom)

What NCSC Timelines for Migration to Post-Quantum Cryptography (United Kingdom) requires

The UK National Cyber Security Centre published Timelines for migration to post-quantum cryptography on 20 March 2025, setting three national target dates for the move away from quantum-vulnerable public key cryptography. By 2028 organisations are expected to define their migration goals, carry out a full discovery exercise and build an initial plan for migration. By 2031 they are expected to carry out their early, highest-priority PQC migration activities and refine the plan into a thorough roadmap for completing migration. By 2035 the expectation is to complete migration to PQC of all systems, services and products. The guidance is aimed primarily at technical decision-makers and risk owners of large organisations, operators of critical national infrastructure systems including industrial control systems, and companies that operate bespoke IT. The NCSC notes that smaller enterprises running standard commodity IT should experience a more seamless migration as vendors update their services, while those running specialised software follow the same timeline as larger organisations. The dates are stated as NCSC target dates for a national migration effort. They are not, in themselves, a statutory deadline for every commercial organisation, though they form the technical baseline that competent authorities reference for operators of essential services.

Pillar: Aviation, Defense & Quantum · Authority: National Cyber Security Centre (United Kingdom) · Version: 1.0.0 · Last updated: 2025-03-20

Primary source: https://www.ncsc.gov.uk/guidance/pqc-migration-timelines

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• Discovery (free): /api/v1/nodes/uk-ncsc-pqc-migration-timelines-2025.json — 6-field metadata
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