The UK’s Cyber Security and Resilience Bill (CSRB) brings managed service providers into scope, strengthens supply-chain oversight and tightens incident reporting. This post summarises what MSPs and defence-sector suppliers need to do next. The UK Cyber Security and Resilience Bill: What Managed Service Providers and the Defence Sector Need to Know Date: 12 November 2025 By: Metier Solutions Ltd Strengthening the United Kingdom’s Digital Backbone The UK Government has introduced the Cyber Security and Resilience Bill (CSRB) to reinforce national digital defences after high-impact incidents across healthcare, energy and local government. Managed Service Providers (MSPs) and defence supply-chain partners are in sharper focus because of the privileged access they hold to essential services and sensitive environments. According to government analysis, cyber attacks now impose multi-billion-pound annual costs across the UK economy. The Bill shifts emphasis fr...