About CPNI


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Who we work with

CPNI has effective relationships with private and public sector partners. We work in close collaboration with some key partners such as the National Technical Authority for Information Assurance (CESG) and the police - National Counter Terrorism Security Office (NaCTSO) and the Counter Terrorism Security Advisor (CTSA) network.

Public sector

Government departments

Government departments have lead responsibility for ensuring appropriate steps are taken within their sectors to improve protective security. They also lead on the identification of critical infrastructure within their sectors in consultation with CPNI and sector organisations.

The following departments have lead responsibility for the sectors indicated below:

  • Communications - Department for Business, Innovation and Skills (BIS)
  • Emergency services
    • Ambulance - Department of Health (DH)
    • Fire - Department for Communities and Local Government (CLG)
    • Maritime and Coastguard Agency - Department for Transport (DfT)
    • Police - Home Office
  • Energy - Department for Energy and Climate Change (DECC)
  • Finance - HM Treasury (HMT)
  • Food - Department for the Environment, Food & Rural Affairs (Defra) and Food Standards Agency (FSA)
  • Government - Cabinet Office (CO)
  • Health - Department of Health (DH)
  • Transport - Department for Transport (DfT)
  • Water - Department for the Environment, Food & Rural Affairs (Defra)

In response to the cyber threat, the government set up the Office of Cyber Security & Information Assurance (OCSIA) and the Cyber Security Operations Centre (CSOC) in 2010. CPNI works closely with OCSIA, CSOC and CESG (National Technical Authority for Information Assurance) in driving forward the cyber security programme for UK government and to give the UK the balance of advantage in cyberspace. CESG provides a number of products and services to help protect the Government's communications and information. Most recently it has expanded its certified professional scheme (CCP) to include those responsible for securing UK industry networks.

We also liaise with the Civil Contingencies Secretariat in Cabinet Office, which works to enhance the UK's ability to prepare for, respond to and recover from emergencies.


CPNI works closely with the police. We have a particularly strong partnership with the police National Counter Terrorism Security Office (NaCTSO), co-located with CPNI, and the nationwide network of specialist police Counter Terrorism Security Advisers (CTSAs) that they co-ordinate. NaCTSO and the CTSAs support CPNI in the delivery of advice to critical sites within the national infrastructure.

Private sector

CNI businesses and organisations

We have close relationships with organisations and businesses that own or operate the national infrastructure. Relationships have been built up over many years between our experienced security advisers and security managers in the sectors. Our advice is given in a variety of different ways - through face-to-face advice by teams of sector based and specialist advisers, training, online advice and written advisory products.

CPNI facilitates information exchanges to allow information to be shared amongst trusted contacts - this is key to successful security planning in many sectors. Where appropriate we also share information about threats, vulnerabilities and effective mitigation measures, so that businesses and organisations in the national infrastructure can protect their assets better.

Manufacturers of security equipment

CPNI assures a wide range of physical security products developed by manufacturers for use on critical national infrastructure (CNI) sites.

Partners on professional standards

CPNI works with a range of external partners on the development of professional standards. One of these is the Register of Security Engineers and Specialists (RSES). It has been developed to promote excellence in the field of security engineering and provide a ready means for individuals to demonstrate competence in this discipline through independent assessment.

The Register is sponsored by CPNI; it is administered and operated by the Institution of Civil Engineers.

More details about the Register and how to join are available on the RSES website.

International partners

We have a close relationship with many international partners, including overseas Governments, agencies and businesses.

International co-operation together with collaborative research projects ensure that the global threat of terrorism is tackled with an internationally informed response.

We also contribute to Overseas Business Risk, a joint Foreign & Commonwealth Office/UK Trade & Investment/Business endeavour, which provides UK business with information relating to the security related risks which companies face when operating overseas.


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