What the UK Cyber Security & Resilience Bill Means for Security Practitioners

**Executive summary:** The article outlines the key provisions and practitioner impacts of the UK Cyber Security & Resilience Bill — including expanded scope, a new Relevant Managed Service Provider (RMSP) category, two-stage incident reporting (initial notification within 24 hours and full report within 72 hours), stronger enforcement and fines, and statutory supply-chain obligations — and provides recommended immediate actions for organisations to assess scope, update runbooks, and strengthen supplier assurance.