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Government Communications Headquarters

Index Government Communications Headquarters

The Government Communications Headquarters (GCHQ) is an intelligence and security organisation responsible for providing signals intelligence (SIGINT) and information assurance to the government and armed forces of the United Kingdom. [1]

196 relations: Admiralty, Alan Turing, Alastair Denniston, Amnesty International, Arthur Bonsall, Ascension Island, Australian Signals Directorate, Ayios Nikolaos Station, Benedict Cumberbatch, Biometrics, Bletchley Park, Boris Johnson, Brian Tovey, British Armed Forces, British Army, British intelligence agencies, Brora Y Station, Capenhurst, Carillion, Caroline Lucas, Cat Hill, Ascension Island, Centre for the Protection of National Infrastructure, CESG Listed Adviser Scheme, Cheltenham, Chief Secretary to the Treasury, Clifford Cocks, Clive Loehnis, Cold War, Colombo, Commercial Product Assurance, Communications Security Establishment, Computer and network surveillance, Computerworld, Conel Hugh O'Donel Alexander, Conservative Party (UK), Council of Civil Service Unions v Minister for the Civil Service, Cryptanalysis, Cryptography, Cybercrime, David Omand, David Pepper (intelligence official), Deputy Lieutenant, Dilly Knox, Director of the Government Communications Headquarters, Dissident republican, Donald Michie, Donald Trump, Duncan Campbell (journalist), ECHELON, Edward Snowden, ..., Edward Travis, Egyptian Initiative for Personal Rights, Enigma machine, Eric Malcolm Jones, Ernst Fetterlein, European Commission of Human Rights, European Convention on Human Rights, Far East Combined Bureau, Financial Times, Foreign and Commonwealth Office, Fox News, Francis Richards (diplomat), Freedom of Association and Protection of the Right to Organise Convention, GCHQ Bude, GCHQ Scarborough, Gensler, Geoffrey Prime, George Curzon, 1st Marquess Curzon of Kedleston, Geraldton, Global surveillance disclosures (2013–present), Global Telecoms Exploitation, Gloucestershire, Gordon Welchman, Government Communications Security Bureau, Government of the United Kingdom, Green Party of England and Wales, Gulf War, Hawklaw Y Station, Home Secretary, Hugh Foss, Hugh Sinclair, Human resources, Human Rights Act 1998, I. J. Good, Iain Lobban, Information assurance, Intelligence agency, Intelligence and Security Committee of Parliament, Intelligence Services Act 1994, Intelligence Services Commissioner, International Labour Organization, Investigatory Powers Tribunal, IP address, James Callaghan, James H. Ellis, Jeremy Fleming, Joan Clarke, John Adye, John Tiltman, Joint Operations Cell, Joint Threat Research Intelligence Group, Jonathan Aitken, Josh Cooper (cryptographer), Judicial review, Justice and Security Act 2013, Karma Police (surveillance program), Katharine Gun, Kenneth Noye, Kevin Tebbit, Keystroke logging, KGB, Kilindini Harbour, Labour Party (UK), Legal Resources Centre, Leonard James Hooper, Lorenz cipher, Mansfield College, Oxford, Margaret Thatcher, Mark Hosenball, Mass surveillance, Mastering the Internet, Max Newman, MI1, Michael Quinlan (civil servant), Milton Keynes, Minister for the Civil Service, Mombasa, National Cyber Security Centre (United Kingdom), National security, National Security Agency, Naval Intelligence Division, NBC News, Number theory, Oliver Strachey, Operation Socialist, Order of St Michael and St George, Order of the Bath, Order of the British Empire, Parliament of the United Kingdom, Permanent Secretary, Peter Calvocoressi, Peter Marychurch, Political convention, Pound sterling, Prime Minister of the United Kingdom, PRISM (surveillance program), Public and Commercial Services Union, Public-key cryptography, RAF Culmhead, RAF Digby, RAF Eastcote, RAF Intelligence, RAF Little Sai Wan, RAF Menwith Hill, Real Irish Republican Army, Regulation of Investigatory Powers Act 2000, Robert Hannigan, Room 40, Royal Navy, Royal Victorian Order, Sean Spicer, Secret Intelligence Service, Secretary of State (United Kingdom), Secretary of State for Foreign and Commonwealth Affairs, Security agency, Signals intelligence, Squidgygate, St James's Park, Stanley Baldwin, Tempora, The Doughnut, The Guardian, The Imitation Game, The Intercept, The Observer, The Sunday Telegraph, Theresa May, Time Out (magazine), Transfer of sovereignty over Hong Kong, UK cyber security community, UKUSA Agreement, University of Bristol, University of Oxford, Upstream collection, Violent non-state actor, W. T. Tutte, Wilson Doctrine, Wireless Experimental Centre, Woodhead Hall, World War I, World War II, Yugoslav Wars, Zircon (satellite), 1926 United Kingdom general strike, 2003 invasion of Iraq, 2009 G20 London summit. Expand index (146 more) »

Admiralty

The Admiralty, originally known as the Office of the Admiralty and Marine Affairs, was the government department responsible for the command of the Royal Navy firstly in the Kingdom of England, secondly in the Kingdom of Great Britain, and from 1801 to 1964, the United Kingdom and former British Empire.

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Alan Turing

Alan Mathison Turing (23 June 1912 – 7 June 1954) was an English computer scientist, mathematician, logician, cryptanalyst, philosopher, and theoretical biologist.

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Alastair Denniston

Commander Alexander "Alastair" Guthrie Denniston (1 December 1881 – 1 January 1961) was a British codebreaker in Room 40, first head of the Government Code and Cypher School (GC&CS) and field hockey player.

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Amnesty International

Amnesty International (commonly known as Amnesty or AI) is a London-based non-governmental organization focused on human rights.

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Arthur Bonsall

Sir Arthur Wilfred "Bill" Bonsall (25 June 1917 – 26 November 2014) was director of the British signals intelligence agency, GCHQ—a post he held from 1973 to 1978.

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Ascension Island

Ascension Island is an isolated volcanic island, 7°56' south of the Equator in the South Atlantic Ocean.

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Australian Signals Directorate

Australian Signals Directorate (ASD; until 2013: Defence Signals Directorate, DSD) is an Australian government foreign intelligence collection agency responsible for foreign signals intelligence (SIGINT) and information security (INFOSEC).

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Ayios Nikolaos Station

Ayios Nikolaos Station (also spelled Agios Nikolaos; Άγιος Νικόλαος, lit. "Saint Nicholas") is a British Army station and part of in the British Sovereign Base Area of Dhekelia in Cyprus.

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Benedict Cumberbatch

Benedict Timothy Carlton Cumberbatch (born 19 July 1976) is an English actor who has performed in film, television, theatre and radio.

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Biometrics

Biometrics is the technical term for body measurements and calculations.

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Bletchley Park

Bletchley Park was the central site for British (and subsequently, Allied) codebreakers during World War II.

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Boris Johnson

Alexander Boris de Pfeffel Johnson (born 19 June 1964), best known as Boris Johnson, is a British politician, popular historian and journalist serving as Secretary of State for Foreign and Commonwealth Affairs since 2016 and the Member of Parliament (MP) for Uxbridge and South Ruislip since 2015.

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Brian Tovey

Sir Brian John Maynard Tovey (15 April 1926 – 23 December 2015) was a British intelligence analyst who was director of the British signals intelligence agency, GCHQ, a post he held from 1978 to 1983.

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British Armed Forces

The British Armed Forces, also known as Her/His Majesty's Armed Forces, are the military services responsible for the defence of the United Kingdom, its overseas territories and the Crown dependencies.

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British Army

The British Army is the principal land warfare force of the United Kingdom, a part of British Armed Forces.

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British intelligence agencies

The Government of the United Kingdom maintains intelligence agencies within several different government departments.

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Brora Y Station

Brora Y Station was a Government listening station located South-east of Brora in Sutherland which operated between 1940 and 1986.

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Capenhurst

Capenhurst is a village and civil parish in the unitary authority of Cheshire West and Chester and the ceremonial county of Cheshire, England and located on the Wirral Peninsula to the south west of the town of Ellesmere Port.

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Carillion

Carillion plc was a British multinational facilities management and construction services company headquartered in Wolverhampton in the United Kingdom, prior to its liquidation, which began in January 2018.

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Caroline Lucas

Caroline Patricia Lucas (born 9 December 1960) is a British politician, and since 2 September 2016, Co-Leader of the Green Party of England and Wales, with Jonathan Bartley.

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Cat Hill, Ascension Island

Cat Hill is a settlement on Ascension Island, an island which forms part of the British Overseas Territories.

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Centre for the Protection of National Infrastructure

Centre for the Protection of National Infrastructure (CPNI) is the United Kingdom government authority which provides protective security advice to businesses and organisations across the national infrastructure.

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CESG Listed Adviser Scheme

The CESG Listed Adviser Scheme was a programme run by CESG, to provide a pool of information assurance consultants to government departments and other public-sector bodies in the UK.

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Cheltenham

Cheltenham, also known as Cheltenham Spa, is a regency spa town and borough which is located on the edge of the Cotswolds, an Area of Outstanding Natural Beauty in Gloucestershire, England.

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Chief Secretary to the Treasury

The Chief Secretary to the Treasury is the second most senior ministerial position in HM Treasury, after the Chancellor of the Exchequer.

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Clifford Cocks

Clifford Christopher Cocks CB FRS (born 28 December 1950) is a British mathematician and cryptographer.

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Clive Loehnis

Sir Clive Loehnis KCMG (24 August 1902 – 23 May 1992) was a director of the British signals intelligence agency, GCHQ, a post he held from 1960 to 1964.

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Cold War

The Cold War was a state of geopolitical tension after World War II between powers in the Eastern Bloc (the Soviet Union and its satellite states) and powers in the Western Bloc (the United States, its NATO allies and others).

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Colombo

Colombo (translit,; translit) is the commercial capital and largest city of Sri Lanka.

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Commercial Product Assurance

Commercial Product Assurance (CPA) is a CESG approach to gaining confidence in the security of commercial products.

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Communications Security Establishment

The Communications Security Establishment (CSE; Centre de la sécurité des télécommunications, CST), formerly called the Communications Security Establishment Canada (CSEC), is the Government of Canada's national cryptologic agency.

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Computer and network surveillance

Computer and network surveillance is the monitoring of computer activity and data stored on a hard drive, or data being transferred over computer networks such as the Internet.

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Computerworld

Computerworld is a publication website and digital magazine for information technology (IT) and business technology professionals.

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Conel Hugh O'Donel Alexander

Conel Hugh O'Donel Alexander (19 April 1909 – 15 February 1974), known as Hugh Alexander and C. H. O'D.

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Conservative Party (UK)

The Conservative Party, officially the Conservative and Unionist Party, is a centre-right political party in the United Kingdom.

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Council of Civil Service Unions v Minister for the Civil Service

Council of Civil Service Unions v Minister for the Civil Service, or the GCHQ case, is a UK constitutional law and UK labour law case that held the Royal Prerogative was subject to judicial review.

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Cryptanalysis

Cryptanalysis (from the Greek kryptós, "hidden", and analýein, "to loosen" or "to untie") is the study of analyzing information systems in order to study the hidden aspects of the systems.

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Cryptography

Cryptography or cryptology (from κρυπτός|translit.

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Cybercrime

Cybercrime, or computer oriented crime, is crime that involves a computer and a network.

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David Omand

Sir David Bruce Omand (born 15 April 1947) is a British former senior civil servant who served as the Director of the Government Communications Headquarters (GCHQ) from 1996 to 1997.

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David Pepper (intelligence official)

Sir David Edwin Pepper KCMG (born 8 February 1948) is a British civil servant who was the director of the British intelligence agency Government Communications Headquarters (GCHQ) from 2003 to 2008.

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Deputy Lieutenant

In the United Kingdom, a Deputy Lieutenant is a Crown appointment and one of several deputies to the Lord Lieutenant of a lieutenancy area: an English ceremonial county, Welsh preserved county, Scottish lieutenancy area, or Northern Irish county borough or county.

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Dilly Knox

Alfred Dillwyn "Dilly" Knox, CMG (23 July 1884 – 27 February 1943) was a British classics scholar and papyrologist at King's College, Cambridge and a codebreaker.

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Director of the Government Communications Headquarters

The Director of the Government Communications Headquarters is the highest-ranking official in the Government Communications Headquarters (GCHQ), a British intelligence agency that specialises in signals intelligence and cryptography.

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Dissident republican

Dissident republicans, renegade republicans, anti-Agreement republicans or anti-ceasefire republicans (poblachtach easaontach) are Irish republicans who do not support the current peace agreements in Northern Ireland.

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Donald Michie

Donald Michie (11 November 1923 – 7 July 2007) was a British researcher in artificial intelligence.

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Donald Trump

Donald John Trump (born June 14, 1946) is the 45th and current President of the United States, in office since January 20, 2017.

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Duncan Campbell (journalist)

Duncan Campbell (born 1952) is a British freelance investigative journalist, author, and television producer.

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ECHELON

ECHELON, originally a secret government code name, is a surveillance program (signals intelligence/SIGINT collection and analysis network) operated by the US with the aid of four other signatory nations to the UKUSA Security Agreement Given the 5 dialects that use the terms, UKUSA can be pronounced from "You-Q-SA" to "Oo-Coo-SA", AUSCANNZUKUS can be pronounced from "Oz-Can-Zuke-Us" to "Orse-Can-Zoo-Cuss".

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Edward Snowden

Edward Joseph Snowden (born June 21, 1983) is an American computer professional, former Central Intelligence Agency (CIA) employee, and former contractor for the United States government who copied and leaked classified information from the National Security Agency (NSA) in 2013 without authorization.

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Edward Travis

Sir Edward Wilfred Harry Travis (24 September 1888 – 23 April 1956) was a British cryptographer and intelligence officer, becoming the operational head of Bletchley Park during World War II, and later the head of GCHQ.

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Egyptian Initiative for Personal Rights

The Egyptian Initiative for Personal Rights or EIPR (المبادرة المصرية للحقوق الشخصية) is an independent Egyptian human rights organization, established in 2002.

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Enigma machine

The Enigma machines were a series of electro-mechanical rotor cipher machines developed and used in the early- to mid-20th century to protect commercial, diplomatic and military communication.

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Eric Malcolm Jones

Sir Eric Malcolm Jones (27 April 1907 – 24 December 1986) is a former director of the British signals intelligence agency, GCHQ, a post he held from 1952 to 1960.

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Ernst Fetterlein

Ernst Constantin Fetterlein (3 April 1873Victor Madeira, "`Because I Don't Trust Him, We are Friends': Signals Intelligence and the Reluctant Anglo-Soviet Embrace, 1917-24", Intelligence & National Security 19(1), March 2004, pp. 29–51.–1944Ralph Erskine, to Intelligence Forum, 11 October 2004) was a Russian cryptographer who later defected to Britain.

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European Commission of Human Rights

European Commission of Human Rights was a special tribunal.

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European Convention on Human Rights

The European Convention on Human Rights (ECHR) (formally the Convention for the Protection of Human Rights and Fundamental Freedoms) is an international treaty to protect human rights and political freedoms in Europe.

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Far East Combined Bureau

The Far East Combined Bureau, an outstation of the British Government Code and Cypher School, was set up in Hong Kong in March 1935, to monitor Japanese, and also Chinese and Russian (Soviet) intelligence and radio traffic.

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Financial Times

The Financial Times (FT) is a Japanese-owned (since 2015), English-language international daily newspaper headquartered in London, with a special emphasis on business and economic news.

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Foreign and Commonwealth Office

The Foreign and Commonwealth Office (FCO), commonly called the Foreign Office, is a department of the Government of the United Kingdom.

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Fox News

Fox News (officially known as the Fox News Channel, commonly abbreviated to FNC) is an American basic cable and satellite television news channel owned by the Fox Entertainment Group, a subsidiary of 21st Century Fox.

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Francis Richards (diplomat)

Sir Francis Neville Richards (born 1945) is a former British civil servant and diplomat who was Governor and Commander-in-Chief of Gibraltar from 2003 to 2006, and the director of the Government Communications Headquarters from 1998 to 2003.

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Freedom of Association and Protection of the Right to Organise Convention

The Freedom of Association and Protection of the Right to Organise Convention (1948) is an International Labour Organization Convention, and one of eight conventions that form the core of international labour law, as interpreted by the Declaration on Fundamental Principles and Rights at Work.

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GCHQ Bude

GCHQ Bude, also known as GCHQ Composite Signals Organisation Station Morwenstow, abbreviated to GCHQ CSO Morwenstow, is a UK Government satellite ground station and eavesdropping centre located on the north Cornwall coast at Cleave Camp, between the small villages of Morwenstow and Coombe.

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GCHQ Scarborough

GCHQ Scarborough is a satellite ground station located on Irton Moor, on the outskirts of Scarborough in North Yorkshire, England, operated by the British signals intelligence service (GCHQ).

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Gensler

M.

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Geoffrey Prime

Geoffrey Arthur Prime (born 21 February 1938) is a British former spy, who disclosed information to the Soviet Union while working for the Royal Air Force and later for Government Communications Headquarters (GCHQ), a British intelligence agency, responsible for signals intelligence, during the 1960s and 1970s.

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George Curzon, 1st Marquess Curzon of Kedleston

George Nathaniel Curzon, 1st Marquess Curzon of Kedleston, (11 January 1859 – 20 March 1925), known as Lord Curzon of Kedleston between 1898 and 1911 and as Earl Curzon of Kedleston between 1911 and 1921, and commonly as Lord Curzon, was a British Conservative statesman.

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Geraldton

Geraldton is a coastal city in the Mid West region of Western Australia, north of Perth.

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Global surveillance disclosures (2013–present)

Ongoing news reports in the international media have revealed operational details about the United States National Security Agency (NSA) and its international partners' global surveillance of foreign nationals and U.S. citizens.

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Global Telecoms Exploitation

Global Telecoms Exploitation is reportedly a secret British telephonic mass surveillance programme run by the British signals intelligence and computer security agency, the Government Communications Headquarters (GCHQ).

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Gloucestershire

Gloucestershire (formerly abbreviated as Gloucs. in print but now often as Glos.) is a county in South West England.

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Gordon Welchman

William Gordon Welchman (15 June 1906 – 8 October 1985) was an English mathematician, university professor, Second World War codebreaker at Bletchley Park and author.

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Government Communications Security Bureau

The Government Communications Security Bureau (GCSB) (Te Tira Tiaki, formerly Te Tari Whakamau Irirangi) is the public-service department of New Zealand charged with promoting New Zealand's national security by collecting and analysing information of an intelligence nature.

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Government of the United Kingdom

The Government of the United Kingdom, formally referred to as Her Majesty's Government, is the central government of the United Kingdom of Great Britain and Northern Ireland.

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Green Party of England and Wales

The Green Party of England and Wales (GPEW; Plaid Werdd Cymru a Lloegr) is a green, left-wing political party in England and Wales.

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Gulf War

The Gulf War (2 August 199028 February 1991), codenamed Operation Desert Shield (2 August 199017 January 1991) for operations leading to the buildup of troops and defense of Saudi Arabia and Operation Desert Storm (17 January 199128 February 1991) in its combat phase, was a war waged by coalition forces from 35 nations led by the United States against Iraq in response to Iraq's invasion and annexation of Kuwait.

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Hawklaw Y Station

Hawklaw Y Station was a Government listening station located north of Cupar in Fife which operated between 1942 and 1988.

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Home Secretary

Her Majesty's Principal Secretary of State for the Home Department, normally referred to as the Home Secretary, is a senior official as one of the Great Offices of State within Her Majesty's Government and head of the Home Office.

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Hugh Foss

Hugh Rose Foss (13 May 1902 – 23 December 1971) was a British cryptanalyst.

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Hugh Sinclair

Admiral Sir Hugh Francis Paget Sinclair, (18 August 1873 – 4 November 1939), known as Quex Sinclair, was a British intelligence officer.

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Human resources

Human resources are the people who make up the workforce of an organization, business sector, or economy.

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Human Rights Act 1998

The Human Rights Act 1998 (c42) is an Act of Parliament of the United Kingdom which received Royal Assent on 9 November 1998, and mostly came into force on 2 October 2000.

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I. J. Good

Irving John ("I. J."; "Jack") Good (9 December 1916 – 5 April 2009) The Times of 16-apr-09, http://www.timesonline.co.uk/tol/comment/obituaries/article6100314.ece was a British mathematician who worked as a cryptologist at Bletchley Park with Alan Turing.

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Iain Lobban

Sir Iain Robert Lobban, KCMG, CB (born 1960) is a former British civil servant.

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Information assurance

Information assurance (IA) is the practice of assuring information and managing risks related to the use, processing, storage, and transmission of information or data and the systems and processes used for those purposes.

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Intelligence agency

An intelligence agency is a government agency responsible for the collection, analysis, and exploitation of information in support of law enforcement, national security, military, and foreign policy objectives.

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Intelligence and Security Committee of Parliament

The Intelligence and Security Committee of Parliament (ISC) is a committee of Parliament of the United Kingdom appointed to oversee the work of the intelligence machinery of the United Kingdom.

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Intelligence Services Act 1994

The Intelligence Services Act 1994 (c. 13) is an Act of the Parliament of the United Kingdom.

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Intelligence Services Commissioner

The Intelligence Services Commissioner, was a regulatory official in the United Kingdom appointed under Section 59 of the Regulation of Investigatory Powers Act 2000.

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International Labour Organization

The International Labour Organization (ILO) is a United Nations agency dealing with labour problems, particularly international labour standards, social protection, and work opportunities for all.

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Investigatory Powers Tribunal

In the United Kingdom, the Investigatory Powers Tribunal (IPT) is a judicial body, independent of the British government, which hears complaints about surveillance by public bodies—in fact, "the only Tribunal to whom complaints about the Intelligence Services can be directed".

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IP address

An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.

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James Callaghan

Leonard James Callaghan, Baron Callaghan of Cardiff, (27 March 1912 – 26 March 2005), often known as Jim Callaghan, served as Prime Minister of the United Kingdom from 1976 to 1979 and Leader of the Labour Party from 1976 to 1980.

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James H. Ellis

James Henry Ellis (25 September 1924 – 25 November 1997) was a British engineer and cryptographer.

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Jeremy Fleming

Jeremy Fleming is the head of the British Government Communications Headquarters (GCHQ).

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Joan Clarke

Joan Elisabeth Lowther Murray, MBE (née Clarke; 24 June 1917 – 4 September 1996) was an English cryptanalyst and numismatist best known for her work as a code-breaker at Bletchley Park during the Second World War.

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John Adye

Sir John Anthony Adye KCMG (born 24 October 1939) is a former Director of the British signals intelligence agency, GCHQ, a post he held from 1989 to 1996.

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John Tiltman

Brigadier John Hessell Tiltman CMG CBE MC (25 May 1894 – 10 August 1982) was a British Army officer who worked in intelligence, often at or with the Government Code and Cypher School (GC&CS) starting in the 1920s.

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Joint Operations Cell

Joint Operations Cell is a unit of the Government Communications Headquarters (GCHQ), the British intelligence agency, and the National Crime Agency (NCA), a United Kingdom national law enforcement agency.

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Joint Threat Research Intelligence Group

The Joint Threat Research Intelligence Group (JTRIG) is a unit of the Government Communications Headquarters (GCHQ), the British intelligence agency.

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Jonathan Aitken

Jonathan William Patrick Aitken (born 30 August 1942) is a former Conservative Member of Parliament in the United Kingdom (1974–97), and a former Cabinet minister.

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Josh Cooper (cryptographer)

Joshua Edward Synge (Josh) Cooper CB, CMG (3 April 1901 in Fulham, London – 24 June 1981 in Buckinghamshire) was an English cryptographer.

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Judicial review

Judicial review is a process under which executive or legislative actions are subject to review by the judiciary.

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Justice and Security Act 2013

The Justice and Security Act 2013 (c. 18) is an Act of the Parliament of the United Kingdom, firstly to provide for oversight of the Security Service (MI5), the Secret Intelligence Service (MI6), the Government Communications Headquarters (GCHQ) on intelligence or security matters.

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Karma Police (surveillance program)

Karma Police is the code name for an Internet mass surveillance and data collection program operated by Britain's Government Communications Headquarters (GCHQ).

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Katharine Gun

Katharine Teresa Gun (née Harwood, born 1974) is a British former translator for the Government Communications Headquarters (GCHQ), a British intelligence agency.

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Kenneth Noye

Kenneth James Noye (born 24 May 1947) is an English criminal who is serving a life sentence for murdering Stephen Cameron in a road rage incident while on licence from prison in 1996.

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Kevin Tebbit

Sir Kevin Reginald Tebbit, KCB CMG (born 18 October 1946)"TEBBIT, Sir Kevin Reginald (1946 -)", Debrett's People of Today, 2004 is a former British civil servant.

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Keystroke logging

Keystroke logging, often referred to as keylogging or keyboard capturing, is the action of recording (logging) the keys struck on a keyboard, typically covertly, so that the person using the keyboard is unaware that their actions are being monitored.

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KGB

The KGB, an initialism for Komitet gosudarstvennoy bezopasnosti (p), translated in English as Committee for State Security, was the main security agency for the Soviet Union from 1954 until its break-up in 1991.

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Kilindini Harbour

Kilindini Harbour is a large, natural deep-water inlet extending inland from Mombasa, Kenya.

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Labour Party (UK)

The Labour Party is a centre-left political party in the United Kingdom.

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Legal Resources Centre

The Legal Resources Centre (LRC) is a human rights organisation based in South Africa with offices in Johannesburg (including a Constitutional Litigation Unit), Cape Town, Durban and Grahamstown.

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Leonard James Hooper

Sir Leonard James (Joe) Hooper (23 July 1914 – 19 February 1994) was a former director of the British signals intelligence agency, GCHQ, a post he held from 1965 to 1973.

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Lorenz cipher

The Lorenz SZ40, SZ42a and SZ42b were German rotor stream cipher machines used by the German Army during World War II.

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Mansfield College, Oxford

Mansfield College, Oxford is one of the constituent colleges of the University of Oxford in England.

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Margaret Thatcher

Margaret Hilda Thatcher, Baroness Thatcher, (13 October 19258 April 2013) was a British stateswoman who served as Prime Minister of the United Kingdom from 1979 to 1990 and Leader of the Conservative Party from 1975 to 1990.

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Mark Hosenball

Mark Hosenball is an American investigative correspondent at Reuters.

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Mass surveillance

Mass surveillance is the intricate surveillance of an entire or a substantial fraction of a population in order to monitor that group of citizens.

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Mastering the Internet

Mastering the Internet (MTI) is a mass surveillance project led by the British communications intelligence agency Government Communications Headquarters (GCHQ) budgeted at over £1 billion.

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Max Newman

Maxwell Herman Alexander Newman, FRS, (7 February 1897 – 22 February 1984), generally known as Max Newman, was a British mathematician and codebreaker.

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MI1

MI1 or British Military Intelligence, Section 1 was a department of the British Directorate of Military Intelligence, part of the War Office.

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Michael Quinlan (civil servant)

Sir Michael Edward Quinlan, GCB (11 August 1930 – 26 February 2009) was a distinguished former British defence strategist and former Permanent Under-Secretary of State (generally known as the Permanent Secretary) at the British Ministry of Defence, who wrote and lectured on defence and matters of international security, especially nuclear weapon policies and doctrine, and also on concepts of ‘Just War’ and related ethical issues.

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Milton Keynes

Milton Keynes, locally abbreviated to MK, is a large townAlthough Milton Keynes was specified to be a city in scale and the term "city" is used locally (inter alia to avoid confusion with its constituent towns), formally this title cannot be used.

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Minister for the Civil Service

In the Government of the United Kingdom, the Minister for the Civil Service is responsible for regulations regarding Her Majesty's Civil Service, the role of which is to assist the governments of the United Kingdom in formulating and implementing policies.

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Mombasa

Mombasa is a city on the coast of Kenya.

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National Cyber Security Centre (United Kingdom)

The National Cyber Security Centre (NCSC) is an organisation of the United Kingdom Government that provides advice and support for the public and private sector in how to avoid computer security threats.

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National security

National security refers to the security of a nation state, including its citizens, economy, and institutions, and is regarded as a duty of government.

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National Security Agency

The National Security Agency (NSA) is a national-level intelligence agency of the United States Department of Defense, under the authority of the Director of National Intelligence.

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Naval Intelligence Division

The Naval Intelligence Division (NID) created originally as a component part of the Admiralty War Staff in 1912, it was the intelligence arm of the British Admiralty before the establishment of a unified Defence Intelligence Staff in 1964.

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NBC News

NBC News is the news division of the American broadcast television network NBC, formerly known as the National Broadcasting Company when it was founded on radio.

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Number theory

Number theory, or in older usage arithmetic, is a branch of pure mathematics devoted primarily to the study of the integers.

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Oliver Strachey

Oliver Strachey CBE (3 November 1874 – 14 May 1960), a British civil servant in the Foreign Office, was a cryptographer from World War I to World War II.

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Operation Socialist

Operation Socialist is the code name given by the British signals and communications agency Government Communications Headquarters (GCHQ) to an operation in which GCHQ successfully breached the infrastructure of the Belgian telecommunications company Belgacom between 2010 and 2013.

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Order of St Michael and St George

The Most Distinguished Order of Saint Michael and Saint George is a British order of chivalry founded on 28 April 1818 by George, Prince Regent, later King George IV, while he was acting as regent for his father, King George III.

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Order of the Bath

The Most Honourable Order of the Bath (formerly the Most Honourable Military Order of the Bath) is a British order of chivalry founded by George I on 18 May 1725.

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Order of the British Empire

The Most Excellent Order of the British Empire is a British order of chivalry, rewarding contributions to the arts and sciences, work with charitable and welfare organisations, and public service outside the Civil service.

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Parliament of the United Kingdom

The Parliament of the United Kingdom, commonly known as the UK Parliament or British Parliament, is the supreme legislative body of the United Kingdom, the Crown dependencies and overseas territories.

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Permanent Secretary

The Permanent Secretary, in most departments officially titled the Permanent Under-secretary of State or PUS (although the full title is rarely used), is the most senior civil servant of a British Government ministry, charged with running the department on a day-to-day basis.

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Peter Calvocoressi

Peter John Ambrose Calvocoressi (17 November 1912 – 5 February 2010) was a British lawyer, Liberal politician, historian, and publisher.

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Peter Marychurch

Sir Peter Harvey Marychurch (13 June 1927 – 21 May 2017) was Director of the British signals intelligence agency, GCHQ, a post he held from 1983 to 1989.

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Political convention

In politics, a political convention may refer to a meeting of a political party, typically to select party candidates.

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Pound sterling

The pound sterling (symbol: £; ISO code: GBP), commonly known as the pound and less commonly referred to as Sterling, is the official currency of the United Kingdom, Jersey, Guernsey, the Isle of Man, South Georgia and the South Sandwich Islands, the British Antarctic Territory, and Tristan da Cunha.

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Prime Minister of the United Kingdom

The Prime Minister of the United Kingdom is the head of the United Kingdom government.

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PRISM (surveillance program)

PRISM is a code name for a program under which the United States National Security Agency (NSA) collects internet communications from various U.S. internet companies.

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Public and Commercial Services Union

The Public and Commercial Services Union (PCS) is the sixth largest trade union in the United Kingdom.

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Public-key cryptography

Public-key cryptography, or asymmetric cryptography, is any cryptographic system that uses pairs of keys: public keys which may be disseminated widely, and private keys which are known only to the owner.

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RAF Culmhead

RAF Culmhead is a former Royal Air Force station, situated at Churchstanton on the Blackdown Hills in Somerset, England.

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RAF Digby

Royal Air Force Digby otherwise known as RAF Digby is Royal Air Force station located near Scopwick and south east of Lincoln, in Lincolnshire, England.

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RAF Eastcote

RAF Eastcote, also known over time as RAF Lime Grove, HMS Pembroke V and Outstation Eastcote, was a Ministry of Defence site in Eastcote, within the London Borough of Hillingdon.

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RAF Intelligence

Intelligence services in the Royal Air Force are delivered by Officers of the Royal Air Force Intelligence Branch and Airmen from the Intelligence Analyst Trade and Intelligence Analyst (Voice) Trade.

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RAF Little Sai Wan

RAF Little Sai Wan was a signals intelligence station in the Siu Sai Wan area of Hong Kong.

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RAF Menwith Hill

Royal Air Force Menwith Hill is a Royal Air Force station near Harrogate, North Yorkshire, England, which provides communications and intelligence support services to the United Kingdom and the United States.

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Real Irish Republican Army

The Real Irish Republican Army or Real IRA (RIRA), also called the New IRA (NIRA) since 2012, is a dissident Irish republican paramilitary organisation which aims to bring about a united Ireland.

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Regulation of Investigatory Powers Act 2000

The Regulation of Investigatory Powers Act 2000 (c.23) (RIP or RIPA) is an Act of the Parliament of the United Kingdom, regulating the powers of public bodies to carry out surveillance and investigation, and covering the interception of communications.

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Robert Hannigan

Robert Peter Hannigan CMG (born 1965) is a senior British civil servant who previously served as the Director of the signals intelligence and cryptography agency the Government Communications Headquarters (GCHQ).

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Room 40

In the history of cryptanalysis, Room 40, also known as 40 O.B. (Old Building) (latterly NID25) was the section in the British Admiralty most identified with the British cryptanalysis effort during the First World War, in particular the interception and decoding of the Zimmermann Telegram which played a role in bringing the United States into the War.

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Royal Navy

The Royal Navy (RN) is the United Kingdom's naval warfare force.

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Royal Victorian Order

The Royal Victorian Order (Ordre royal de Victoria) is a dynastic order of knighthood established in 1896 by Queen Victoria.

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Sean Spicer

Sean Michael Spicer (born September 23, 1971) is an American political aide who served as White House Press Secretary and as acting White House Communications Director under President Donald Trump in 2017.

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Secret Intelligence Service

The Secret Intelligence Service (SIS), commonly known as MI6, is the foreign intelligence service of the government of the United Kingdom, tasked mainly with the covert overseas collection and analysis of human intelligence (HUMINT) in support of the UK's national security.

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Secretary of State (United Kingdom)

In the United Kingdom, a secretary of state (SofS) is a Cabinet minister in charge of a government department (though not all departments are headed by a secretary of state, e.g. HM Treasury is headed by the Chancellor of the Exchequer).

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Secretary of State for Foreign and Commonwealth Affairs

Her Majesty's Principal Secretary of State for Foreign and Commonwealth Affairs, normally referred to as the Foreign Secretary, is a senior, high-ranking official within the Government of the United Kingdom and head of the Foreign and Commonwealth Office.

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Security agency

A security agency is a governmental organization which conducts intelligence activities for the internal security of a nation.

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Signals intelligence

Signals intelligence (SIGINT) is intelligence-gathering by interception of signals, whether communications between people (communications intelligence—abbreviated to COMINT) or from electronic signals not directly used in communication (electronic intelligence—abbreviated to ELINT).

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Squidgygate

Squidgygate refers to the pre-1990 telephone conversations between Diana, Princess of Wales and a close friend, James Gilbey, and to the controversy surrounding how those conversations were recorded.

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St James's Park

St James's Park is a park in the City of Westminster, central London.

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Stanley Baldwin

Stanley Baldwin, 1st Earl Baldwin of Bewdley, (3 August 186714 December 1947) was a British statesman of the Conservative Party who dominated the government in his country between the world wars.

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Tempora

Tempora is the codeword for a formerly secret computer system that is used by the British Government Communications Headquarters (GCHQ).

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The Doughnut

"The Doughnut" is the nickname given to the headquarters of the Government Communications Headquarters (GCHQ), a British cryptography and intelligence agency.

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The Guardian

The Guardian is a British daily newspaper.

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The Imitation Game

The Imitation Game is a 2014 American historical drama film directed by Morten Tyldum and written by Graham Moore, loosely based on the biography Alan Turing: The Enigma by Andrew Hodges (which was previously adapted as the stage play and BBC drama Breaking the Code).

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The Intercept

The Intercept is an online news publication dedicated to what it describes as "adversarial journalism".

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The Observer

The Observer is a British newspaper published on Sundays.

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The Sunday Telegraph

The Sunday Telegraph is a British broadsheet newspaper, founded in February 1961, and is published by the Telegraph Media Group, a division of Press Holdings.

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Theresa May

Theresa Mary May (Brasier; born 1 October 1956) is a British politician serving as Prime Minister of the United Kingdom and Leader of the Conservative Party since 2016.

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Time Out (magazine)

Time Out is a British travel magazine published by Time Out Group.

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Transfer of sovereignty over Hong Kong

The transfer of sovereignty over Hong Kong from the United Kingdom to China, referred to as "the Handover" internationally or "the Return" in Mainland China, took place on 1 July 1997.

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UK cyber security community

The cyber security (or information assurance) community in the United Kingdom is diverse, with many stakeholders groups contributing to support the UK Cyber Security Strategy.

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UKUSA Agreement

The United Kingdom – United States of America Agreement (UKUSA) is a multilateral agreement for cooperation in signals intelligence between Australia, Canada, New Zealand, the United Kingdom, and the United States.

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University of Bristol

The University of Bristol (simply referred to as Bristol University and abbreviated as Bris. in post-nominal letters, or UoB) is a red brick research university located in Bristol, United Kingdom.

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University of Oxford

The University of Oxford (formally The Chancellor Masters and Scholars of the University of Oxford) is a collegiate research university located in Oxford, England.

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Upstream collection

Upstream collection is a term used by the National Security Agency (NSA) of the United States for intercepting telephone and Internet traffic from the Internet backbone, i.e. major Internet cables and switches, both domestic and foreign.

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Violent non-state actor

In international relations violent non-state actors (VNSA) (also known as non-state armed actors or non-state armed groups) are individuals and groups which are wholly or partly independent of state governments and which threaten or use violence to achieve their goals.

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W. T. Tutte

William Thomas "Bill" Tutte OC FRS FRSC (14 May 1917 – 2 May 2002) was a British codebreaker and mathematician.

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Wilson Doctrine

The Wilson Doctrine is a convention in the United Kingdom that restricts the police and intelligence services from tapping the telephones of members of the House of Commons and House of Lords.

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Wireless Experimental Centre

The Wireless Experimental Centre was one of two overseas outposts of Station X, Bletchley Park, the British signals analysis centre during World War II.

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Woodhead Hall

Woodhead Hall is a country house at Cheadle in Staffordshire.

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World War I

World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.

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World War II

World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.

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Yugoslav Wars

The Yugoslav Wars were a series of ethnic conflicts, wars of independence and insurgencies fought from 1991 to 1999/2001 in the former Yugoslavia.

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Zircon (satellite)

Zircon was the codename for a British signals intelligence satellite, intended to be launched in 1988, before being cancelled.

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1926 United Kingdom general strike

The 1926 general strike in the United Kingdom was a general strike that lasted 9 days, from 3 May 1926 to 12 May 1926.

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2003 invasion of Iraq

The 2003 invasion of Iraq was the first stage of the Iraq War (also called Operation Iraqi Freedom).

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2009 G20 London summit

The 2009 G20 London Summit was the second meeting of the G20 heads of government/heads of state, which was held in London on 2 April 2009 at the ExCeL Exhibition Centre to discuss financial markets and the world economy.

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Redirects here:

Communications-Electronics Security Group, Composite Signals Organisation, G. C. HQ, G. C. Hq., GC&CS, GCHQ, GCHq, Gchq, Government Code & Cypher School, Government Code and Cipher School, Government Code and Cypher School, Government Communication Headquarters, Government's Communication Headquarters, Joint Technical Language Service, London Communications Security Agency, London Communications-Electronic Security Agency.

References

[1] https://en.wikipedia.org/wiki/Government_Communications_Headquarters

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