The UK Government Cyber Action Plan (2026): A Structural Reset for Cyber Governance — Credibility, Deliverability, and the Risks That Remain

The UK Government Cyber Action Plan (2026) marks a decisive shift from advisory cyber policy to enforceable, cross-government governance. It introduces a central risk “spine” within DSIT, clarifies accountability for departments and suppliers, and reframes outages and attacks as equivalent resilience failures. This briefing assesses credibility, deliverability, skills and industry reliance, legislative dependencies, and the unanswered questions that will determine success.