Your editorial ( Britain’s fragile systems: when global shocks hit your shopping bill, 1 May ) makes clear that the public need to be more fully informed about global threats and actively engaged in a national resilience plan. The UK remains dangerously exposed to external shocks, whether from cyber-attacks, extreme weather triggered by climate change, or hostile state interference with our democratic processes and critical national infrastructure.

A cross-party House of Lords special inquiry committee , which I chair, has been set up to examine national resilience. “Keep calm and carry on” doesn’t cut it: a plan for the 21st century needs to recognise the interconnectedness of threats: a cyber-attack can quickly escalate into power cuts, transport chaos, supply chain disruption and the collapse of public services.…