pqcstatus
Regulation & guidance

UK NCSC — PQC migration timelines: cryptography requirements and deadlines

Official guidance

Discovery and plan by 2028, priority migrations by 2031, full migration by 2035.

At a glance

TypeOfficial guidance
JurisdictionUK
Who it applies toUK organizations, especially operators of critical national infrastructure.

Key dates

  1. Define migration goals, carry out a full discovery exercise, build an initial migration plan.
  2. Carry out the early, highest-priority PQC migration activities.
  3. Complete migration to PQC of all systems, services and products.

Sources

  1. Timelines for migration to post-quantum cryptography (v1.0) · UK NCSC (guidance)

Catalog version 2026-09-28. Every position links to its primary source; draft documents are labelled as such.

Frequently Asked Questions

Who must comply with UK NCSC — PQC migration timelines?

UK organizations, especially operators of critical national infrastructure.

What are the key dates of UK NCSC — PQC migration timelines?

December 31, 2028: Define migration goals, carry out a full discovery exercise, build an initial migration plan. December 31, 2031: Carry out the early, highest-priority PQC migration activities. December 31, 2035: Complete migration to PQC of all systems, services and products.