Security Service - Revision history

David at 11:17, 20 July 2026

2026-07-20T11:17:00Z

2026-07-20T11:16:06Z

Directors General

2026-07-19T16:44:04Z

2026-07-19T16:43:31Z

2024-10-21T08:06:31Z

2015-02-17T17:33:04Z

External Resources

2015-02-17T17:32:27Z

Defunct Branches

2014-04-05T00:48:15Z

Binyam Mohamed case

2014-03-01T18:45:36Z

History

2013-12-19T12:18:34Z

External Resources

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 [[Image:MI5ThamesHouse.jpg|right|thumb|MI5 Headquarters at Thames House<br><i>Fred Dawson</i>]]
-The [[Security Service]], better known as [[MI5]], is the main British domestic intelligence service. (See also: [http://www.powerbase.info/index.php/Category:MI5 Category:MI5]) Also known in Whitehall code as [[Government Communications Planning Directorate]] as the Office or as [[PO]], short of [[PO Box 500]], the agency's official wartime postal address.
+The [[Security Service]], better known as [[MI5]], is the main British domestic intelligence service. (See also: [http://www.powerbase.info/index.php/Category:MI5 Category:MI5]) Also known in Whitehall code as [[Government Communications Planning Directorate]], as the Office or as [[PO]] or [[Box 500]], short for [[PO Box 500]], the agency's official wartime postal address.
 ==History==

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 *Dame [[Eliza Manningham-Buller]] - 2002-2007 <ref>[http://www.mi5.gov.uk/output/Page61.html MI5 - Former Directors General], accessed 26 February 2008. </ref>
 *[[Jonathan Evans (MI5)|Jonathan Evans]] - 2007<ref>[http://www.mi5.gov.uk/output/Page60.html MI5 - Director General], accessed 26 February 2008. </ref>-2013
-*[[Andrew Parker]] - 2013<ref name="BBCParker">[http://www.bbc.co.uk/news/uk-21970091#?utm_source=twitterfeed&utm_medium=twitter Andrew Parker named as new head of MI5], BBC News, 28 March 2013.</ref>-
+*[[Andrew Parker]] - 2013<ref name="BBCParker">[http://www.bbc.co.uk/news/uk-21970091#?utm_source=twitterfeed&utm_medium=twitter Andrew Parker named as new head of MI5], BBC News, 28 March 2013.</ref>-2020
 ==External Resources==

@@ Line 1: / Line 1: @@
 [[Image:MI5ThamesHouse.jpg|right|thumb|MI5 Headquarters at Thames House<br><i>Fred Dawson</i>]]
-The [[Security Service]], better known as [[MI5]], is the main British domestic intelligence service. (See also: [http://www.powerbase.info/index.php/Category:MI5 Category:MI5]) Also known in Whitehall code as [[Government Communications Planning Directorate]] as the Office or as [[PO]], short of [[PO box 500]], the agency's official wartime postal address.
+The [[Security Service]], better known as [[MI5]], is the main British domestic intelligence service. (See also: [http://www.powerbase.info/index.php/Category:MI5 Category:MI5]) Also known in Whitehall code as [[Government Communications Planning Directorate]] as the Office or as [[PO]], short of [[PO Box 500]], the agency's official wartime postal address.
 ==History==

@@ Line 1: / Line 1: @@
 [[Image:MI5ThamesHouse.jpg|right|thumb|MI5 Headquarters at Thames House<br><i>Fred Dawson</i>]]
-The [[Security Service]], better known as [[MI5]], is the main British domestic intelligence service. (See also: [http://www.powerbase.info/index.php/Category:MI5 Category:MI5]) Also known in Whitehall code as [[Government Communications Planning Directorate]].
+The [[Security Service]], better known as [[MI5]], is the main British domestic intelligence service. (See also: [http://www.powerbase.info/index.php/Category:MI5 Category:MI5]) Also known in Whitehall code as [[Government Communications Planning Directorate]] as the Office or as [[PO]], short of [[PO box 500]], the agency's official wartime postal address.
 ==History==

@@ Line 1: / Line 1: @@
 [[Image:MI5ThamesHouse.jpg|right|thumb|MI5 Headquarters at Thames House<br><i>Fred Dawson</i>]]
-The [[Security Service]], better known as [[MI5]], is the main British domestic intelligence service. (See also: [http://www.powerbase.info/index.php/Category:MI5 Category:MI5])
+The [[Security Service]], better known as [[MI5]], is the main British domestic intelligence service. (See also: [http://www.powerbase.info/index.php/Category:MI5 Category:MI5]) Also known in Whitehall code as [[Government Communications Planning Directorate]].
 ==History==

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 ==External Resources==
-**[http://www.detaineeinquiry.org.uk/wp-content/uploads/2013/12/35100_Trafalgar-Text-accessible.pdf The Report of the Detainee Inquiry], December 2013.
+*[http://www.detaineeinquiry.org.uk/wp-content/uploads/2013/12/35100_Trafalgar-Text-accessible.pdf The Report of the Detainee Inquiry], December 2013.
 *Richard Norton-Taylor, [http://www.guardian.co.uk/uk/2009/jul/11/mi5-interviews-uk-security-terrorism The secret servants], The Guardian, 11 July 2009.
 *Sam Leith, [http://www.guardian.co.uk/books/2013/mar/07/british-writers-surveillance-smith-review British Writers and MI5 Surveillance 1930-1960 by James Smith - Review], The Guardian, 7 March 2013.

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 *[[MI5 F Branch|F Branch]] - Domestic counter-subversion
 *[[MI5 K Branch|K Branch]] - counterespionage 1968-1994
 ===Related organisations===

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 In February 2010, the Security Service was sharply criticised in a draft judgement by the Master of the Rolls (head of the Court of Appeal) [[Lord Neuberger]] over its role in the case of Guantanamo detainee [[Binyam Mohamed]]:
 ::as the evidence in this case showed, at least some SyS officials appear to have a dubious record when it comes to human rights and coercive techniques, and indeed when it comes to frankness about the UK’s involvement with the mistreatment of Mr Mohammed by US officials. I have in mind in particular [[MI5 Witness B|witness B]], but it appears likely that there were others.<ref>[http://www.timesonline.co.uk/tol/news/uk/article7042419.ece Binyam Mohamed case: full texts of Paragraph 168 - and how they changed], 26 February 2010.</ref>
 ==Structure==

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 ==History==
 ===Operation FOOT===
 In September 1971, MI5's Operation FOOT led to the mass expulsion of Soviet diplomats from London. The event would prove to be the high-point of the service's cold war counter-espionage role.<ref>Christopher Andrew, Defence of the Realm, The Authorized History of MI5, Allen Lane, 2009, p.565.</ref>