The Security Service, also known as MI5 (Military Intelligence, Section 5), is the United Kingdom's domestic counter-intelligence and security agency...

Security Service is the head of the Security Service (commonly known as MI5), the United Kingdom's internal counter-intelligence and security agency...

the series, London Rules. Slough House is an administrative purgatory for MI5 service rejects who have bungled their job but have not been sacked. Those...

intelligence officer. She worked as a teacher for three years before joining MI5, the British internal Security Service. She led the newly created Irish counter-terrorism...

claim which MI5 investigated and found to be false), to Wilson being the victim of treasonous plots by conservative-leaning elements in MI5 and the British...

a colloquialism for spies, and the series follows the work of a group of MI5 officers based at the service's Thames House headquarters, in a highly secure...

CBE (9 August 1916 – 26 April 1995) was a principal scientific officer for MI5, the British counter-intelligence agency. His book Spycatcher, written with...

British peer and former intelligence officer who served as Director General of MI5 from 2013 to 2020. He has served as Lord Chamberlain of the Household since...

British intelligence officer who has been serving as the Director General of MI5 since 2020. McCallum was born in Glasgow, Scotland, in 1974. He attended...

author and former Director General of MI5, a position she held from 1992 to 1996. She was the first female DG of MI5, and the first DG whose name was publicised...

Look up MI5 in Wiktionary, the free dictionary. MI-5 may refer to: MI5, the domestic security service of the United Kingdom MI-5, a television series broadcast...

due to the Good Friday Agreement, Evans moved to G-Branch, the section of MI5 which deals with international terrorism. There he became an expert on al-Qaeda...

The MI5(g), or the MI5 G section, was a branch of MI5 that was formed during World War I to address the wartime espionage operation by the Indian revolutionary...

MI5 under a new Home Office Civil Intelligence Directorate led by Special Branch's Sir Basil Thomson in January 1919. The powerful partnership of MI5...

Authorized History of MI5, published in the United States as Defend the Realm, is an authorised history of the British Security Service (MI5), written by historian...

a British intelligence officer who served with MI5 from 1938 to 1965. He was Director General of MI5 from 1956 to 1965. Some commentators, including...

Pearce KBE (Peter Firth) (2002–2011) – Head of Counter-Terrorism Department, MI5 Dimitri Levendis (Max Brown) (2010–2011) – Piracy & Terrorism Case Officer...

Delores Kane (born David Shayler, 24 December 1965) is a former British MI5 officer and a conspiracy theorist. Kane was prosecuted under the Official...

Harry Pearce is head of the counter-terrorism department (Section D) at MI5. Harry's team is transporting terrorist Adem Qasim through London when the...

what evidence is permissible for Martin to use in the open public trial. MI5 Agent Nazrul Sharma is assigned to provide Claudia with the closed material...

with Budd. Security Service / MI5 Stuart Bowman as Stephen Hunter-Dunn, Director General of the Security Service (MI5), whose surveillance powers will...

that there would not be a second series. Joe Lambe (Tom Hughes) is a young MI5 operative in 1972 London. The previous year, Joe had fallen in love with...

non-fiction author. In 2017 it was announced that his book, M: Maxwell Knight, MI5's Greatest Spymaster, based on the life of Maxwell Knight, would be adapted...

Russian couple were reportedly popular in diplomatic social circles. However MI5 documents declassified and released in October 2022 described him as a heavy...

criminal activities. Unlike its main sister agencies, Security Service (MI5) and Government Communications Headquarters (GCHQ), SIS works exclusively...

March 1971) is a British convicted conman and impostor who masqueraded as an MI5 agent, from his early 20s through his 30s, while working as a barman and...

November 1945 he joined the Labour Party. Rothschild was recruited to work for MI5 during World War II in roles including bomb disposal, disinformation and...

headquarters of the United Kingdom's internal Security Service (commonly known as MI5) since December 1994. It also served as the London headquarters of the Northern...

1929 she became the first female officer in Britain's Security Service, MI5, and was still their only woman officer at the time of her dismissal for...

is a long-serving MI5 officer. His best friend and superior, director general Benedict Baron, summons Johnny to a meeting with MI5 agent Jill Tankard...