Definition & Meaning | English word GCHQ

Definitions of GCHQ

1. Initialism of Government Communications Headquarters.

Examples of Using GCHQ in a Sentence

• Government Communications Headquarters (GCHQ) is an intelligence and security organisation responsible for providing signals intelligence (SIGINT) and information assurance (IA) to the government and armed forces of the United Kingdom.
• The Joint Intelligence Committee (JIC) is an interagency deliberative body of the United Kingdom responsible for intelligence assessment, coordination, and oversight of the Secret Intelligence Service, Security Service, GCHQ, and Defence Intelligence.
• Oversight for the Secret Intelligence Service (MI6) and the Government Communications Headquarters (GCHQ).
• MI5 (Military Intelligence, Section 5), officially the Security Service, is the United Kingdom's domestic counter-intelligence and security agency and is part of its intelligence machinery alongside the Secret Intelligence Service (MI6), Government Communications Headquarters (GCHQ), and Defence Intelligence (DI).
• In 2008, the BBC reported that British intelligence agency GCHQ had been monitoring conversations between the bombers as the bomb was being driven into Omagh.
• The committee's statutory remit (under the Justice and Security Act 2013) is to examine the expenditure, administration, policy and operations of the security and intelligence Agencies; the Secret Intelligence Service (MI6), the Security Service (MI5) and Government Communications Headquarters (GCHQ) and Defence Intelligence in the Ministry of Defence, the Office for Security and Counter-Terrorism (OSCT) in the Home Office and the intelligence-related work of the Cabinet Office including the Joint Intelligence Organisation (JIO) and the National Security Secretariat (NSS).
• Government agencies, such as the NSA, FBI, CIA, R&AW, and GCHQ, have engaged in mass, global surveillance.
• In 1946, the Admiralty started to build highly secret high-performance electronic digital computers at Borehamwood in a redundant wartime factory, firstly for the purpose of real-time gunnery control, and later for surface-to-air guided weapons and missiles, and for specialist cryptography and code-breaking computers for GCHQ.
• The men were two libertarian journalists of a similar political viewpoint as much of the Labour government, and a resigned GCHQ source seeking to heighten scrutiny of government-authorised wire-tapping and limit the work of the American espionage agency, the CIA, in Britain.
• It is this 'all-source' function which distinguishes Defence Intelligence from other organisations such as SIS and GCHQ which focus on the collection of 'single-source' Human Intelligence (HUMINT) and Signals Intelligence (SIGINT) respectively.
• Cocks left Oxford to join Communications-Electronics Security Group (CESG), an arm of GCHQ, in September 1973.
• The company has been criticised for selling backdoored products to benefit the American, British and German national signals intelligence agencies, the National Security Agency (NSA), the Government Communications Headquarters (GCHQ), and the BND, respectively.
• Clifford Cocks and Malcom Williamson, two other GCHQ cryptographers, furthered Ellis' initial PKC related work.
• GCHQ therefore decided to produce a UK-designed-and-built signals intelligence satellite, to be called Zircon, a code-name derived from zirconium silicate, a diamond substitute.
• Although widely regarded as a liberal, he upheld the blasphemy conviction of Gay News (1979), punctured the GLC's Fares Fair low-cost public transport policy (1981) and supported the banning of trade unions at GCHQ (1985).
• Several actions before the UK Investigatory Powers Tribunal, and subsequently the Supreme Court and European Court of Human Rights, against, among others, the UK Foreign Secretary and GCHQ, and also involving other parties, relating to the British security services' computer hacking and involvement in PRISM.
• In 2019, Vulliamy was by played the actor Rhys Ifans in Gavin Hood's acclaimed Hollywood film Official Secrets about the case of Katharine Gun, a GCHQ agent who blew the whistle on illegal bugging of UN diplomats during the lead-up to the Iraq invasion of 2003, with Keira Knightley in the lead role.
• In October 2013, Prime Minister David Cameron made a veiled threat to newspapers over the reporting of Edward Snowden's NSA and GCHQ leaks, stating in Parliament that the government might use "injunctions or D-notices or the other tougher measures" to restrain publication of leaked classified information if newspapers did not voluntarily stop publishing them.
• Speaking at the event, the Director of GCHQ Robert Hannigan acknowledged the harsh treatment of Welchman and paid tribute to his "immense contribution" as a "giant of his era".
• It was under Pepper's tenure as GCHQ director that the Tempora data collection programme was instigated, with trials beginning at GCHQ Bude in Cornwall in 2008.

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