Intelligence Services

• Legislation
• Official Reports

GCHQ
Official site of the UK Government Communications Headquarters which is the centre for Her Majesty's Government's Signal Intelligence (SIGINT) activities. Includes details of current job vacancies and an online quiz for potential applicants.
www.gchq.gov.uk/

MI5 The Security Service
The Security Service (commonly called MI5) carries out security intelligence work aimed at combating threats to the nation such as espionage and terrorism.
www.mi5.gov.uk/

National Criminal Intelligence Service
The National Criminal Intelligence Service (NCIS) is at the forefront of the fight against serious and organised crime in the UK and throughout the world.
www.ncis.co.uk/

National Intelligence Machinery
Report details the roles, structure and funding of intelligence services. It also contains details of the Cabinet Office contribution to the co-ordination of intelligence efforts.
www.official-documents.co.uk/document/caboff/nim/natint.htm

Office of Surveillance Commissioners
Provides information about the roles and responsibilities of those who authorise and conduct covert surveillance operations and covert human intelligence sources.
www.surveillancecommissioners.gov.uk/