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MI5 (Military Intelligence, Section 5), [2] 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).
Jones was a native of Wigton in Cumbria, and went to The Nelson Thomlinson School in that town. A graduate of Christ's College, Cambridge, where he read History, he became an officer in the Royal Artillery during World War II and served as a civil servant in the pre-independence Government of Sudan. [1]
The Defence of the Realm: The 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 Christopher Andrew. Andrew was commissioned in December 2002 to write the history for MI5's 100th anniversary in 2009.
The National Protective Security Authority is the protective security arm of MI5, the counter-intelligence and security agency in the United Kingdom. It is a distinct entity, but benefits from access to MI5’s expertise and understanding of security threats.
Fifth Column was the name MI5, the British Security Service, gave to a World War II operation run from 1942 until at least 1947.It was initially intended to identify people who would be willing to assist Germany in the event of an invasion of the United Kingdom, but as it developed, it also acted to divert its targets away from harmful activities.
Eric Arthur Roberts (18 June 1907 – 17 [1] or 18 [2] December 1972) was an MI5 agent during the Second World War under the alias Jack King. [3] [4] By posing as a Gestapo agent and infiltrating fascist groups in the UK, Roberts was able to prevent secret information from finding its way to Germany. [5]
Thomas Argyll Robertson OBE (27 October 1909 – 10 May 1994), known as "Tommy" or by his initials as "TAR", was a Scottish MI5 intelligence officer responsible during the Second World War for the "Double-Cross" ("XX") disinformation campaign against the German intelligence services.
The Director General of the Security Service is the head of the Security Service (commonly known as MI5), the United Kingdom's internal counter-intelligence and security agency. The Director General is assisted by a Deputy Director General and an Assistant Director General, and reports to the Home Secretary , although the Security Service is ...