Written Question·Cabinet Office·UIN 95497
Cybersecurity: Public Sector
Tabled: 28 November 2025
Answered: 9 December 2025
Question
Callum Anderson
Labour — Buckingham and Bletchley
To ask the Minister for the Cabinet Office, what criteria are used by his Department to determine which public systems require mandatory zero-trust security measures.
Answer
Dan JarvisThe Department applies a risk-based assessment framework, underpinned by secure by design methodology including structured threat modelling, to determine which public systems require mandatory zero-trust security measures. Systems handling sensitive data,...
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