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  • National Security and Intelligence

    The National Security Secretariat coordinates security and intelligence issues of strategic importance across government and supports the National Security Adviser and National Security Council. The Joint Intelligence Organisation produces independent all-source assessments on issues of national security and foreign policy...

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  • National Security Council

    The National Security Council (NSC) is the main forum for collective discussion of the government’s objectives for national security and about how best to deliver them in the current financial climate.

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  • National Security Act 2023

    The National Security Act introduces new measures to modernise counter-espionage laws and address the evolving state threat to national security.

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  • Check if you need to tell the government about an acquisition that could harm the UK's national security

    Investors and businesses may be legally required to tell the government about certain sensitive acquisitions under the National Security and Investment Act.

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  • College for National Security

    Find out how the College for National Security is breaking down barriers to improving understanding of national security across the Civil Service and beyond.

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  • National Security (State Threats) Act 2026

    These documents relate to the National Security (State Threats) Bill which received Royal Assent on 8 July 2026.

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  • National Security Bill: factsheets

    Factsheets giving details of the different measures contained in the National Security Bill.

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  • National Security Technology and Innovation Exchange

    NSTIx existed until 2025 as an independent unit working across the UK government national security science, innovation and technology system.

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  • National Security and Investment Act 2021

    Guidance and information about the National Security and Investment Act.

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  • National Protective Security Authority

    National Protective Security Authority (NPSA) is the UK’s National Technical Authority for physical and personnel protective security, working to make the UK less vulnerable and more resilient to national security threats. NPSA is part of The Security Service .

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