CPNI is the government authority for protective security advice to the UK national infrastructure. Our role is to protect national security by helping to reduce the vulnerability of the national infrastructure to terrorism and other threats. We are accountable to the Director General of MI5.

There are also other nationally important assets or events, including high-profile iconic targets, where impact of damage would be equally serious even though these do not deliver an essential service. Our advice delivery extends to help the protection of such assets and events.

  • CPNI in Context

    Government policies that impact the work of CPNI include the National Security Strategy, National Risk Register and Counter Terrorism Strategy.

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  • Critical National Infrastructure

    CPNI is focussed on providing advice and assistance to those who have responsibility for protecting these most crucial elements of the UK’s national infrastructure from national security threats.

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  • Who We Work With

    CPNI works with partners in government, police, industry and academia to identify risks to and reduce the vulnerability of the national infrastructure, focusing in particular on critical national infrastructure.

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  • Contact

    Contact us using our general enquires form for general, non-recruitment related enquires and to provide feedback about this website.

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