Question to the Cabinet Office:

To ask the Minister for the Cabinet Office, whether she has adopted the National Cyber Security Centre's guidance entitled Timelines for migration to post-quantum cryptography of 20 March 2025 as the standard for its own departments and arm's length bodies.

The Cabinet Office has adopted the National Cyber Security Centre’s (NCSC) guidance on timelines for migration to post-quantum cryptography as the standard for its departments and arm's-length bodies