Timelines for migration to post-quantum cryptography
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Activities which organisations must carry out to migrate safely to post-quantum cryptography in the coming years.
Adapted edition
- Document type
- Reference Guide
- Format
- DOCX
- Pages
- 10
- Language
- English
- Version
- 1.0
- Updated
- 2026-09-16
- Category
- Information security
- Licence
- Open Government Licence v3.0
Description
Activities which organisations must carry out to migrate safely to post-quantum cryptography in the coming years for organisational planning, review and training. NCSC guidance is advisory and should be applied to the organisation's own risks and obligations.
Contents
- Executive summary
- The key milestones are:
- By 2028
- By 2031
- By 2035
- Background
- About this guidance
- Planning your PQC migration
- Defining migration goals
- Discovery and assessment
- Migration strategy selection
- Developing your migration plan
- PQC migration for enterprise PKI
- Executing your migration plan
- PQC migration across different sectors
- PQC migration for an industrial control system
- Source links
Source and licence
National Cyber Security Centre
AttributionNational Cyber Security Centre, “Timelines for migration to post-quantum cryptography” (20 March 2025), reused under the Open Government Licence v3.0.
ChangesAdapted 16 September 2026: converted the official HTML article into neutral text-only DOCX and PDF editions. Preserved article headings, paragraphs, lists and plain-text source-link destinations; normalized web whitespace and typographic punctuation; omitted site navigation, topic and download cards, images, logos, scripts, styles and page furniture.
Version history
- v1.016/09/2026