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Securing critical national infrastructure: an introduction to UK capability

Setting out UK industry expertise in helping to improve the physical and cyber security of sites of critical national infrastructure (CNI).

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This brochure sets out the UK security sector’s strengths to overseas buyers who are seeking to strengthen the security of their CNI sites, from energy plants to communications networks.

It includes information on:

  • securing the physical perimeters of sites more effectively
  • ensuring that only authorised personnel have access to sensitive areas of a site
  • enhancing the cyber security of plants to prevent and to mitigate the impact of hostile intrusion

Updates to this page

Published 26 September 2023

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