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Azure UK data residency architecture showing UK South and UK West regions with availability zones

Azure UK Data Residency 2025 — Regions, Rules and Gotchas

UK enterprises deploying Microsoft Azure must navigate data residency requirements under UK GDPR, the Data Protection Act 2018, and the new Data (Use and Access) Act 2025. Azure's UK South and UK West regions provide ICO-compliant data residency, though Microsoft cannot contractually guarantee absolute UK sovereignty for all workloads. This comprehensive guide examines Azure UK region architecture, ICO compliance requirements, pricing comparisons, sovereignty limitations, and implementation best practices for UK CIOs.

CTC Staff 18 December 2025
Cyber Essentials Plus certification visualization

Cyber Essentials Plus 2025 and What Changes in the April Willow Update

The NCSC's April 2025 Willow update to Cyber Essentials Plus introduces passwordless authentication as an approved method, updates vulnerability terminology from patches to vulnerability fixes, and tightens scoping and verification requirements. Whilst the changes are relatively minor, they align the scheme more closely with NIST standards and reflect modern security practices including remote working scenarios.

CTC Staff 18 December 2025