MI5 (English Wikipedia)

Hiley, Nicholas (2006). "Entering the Lists: MI5's great spy round-up of August 1914". Intelligence and National Security. 21 (1): 46–76. doi:10.1080/02684520600568303. S2CID 154556503.
Hiley, Nicholas (2010). "Re-entering the Lists: MI5's Authorized History and the August 1914 Arrests". Intelligence and National Security. 25 (4): 415–452. doi:10.1080/02684527.2010.537022. S2CID 153404992.

geocities.ws (Global: 4,620^th place; English: 4,055^th place)

"MI5 (The Security Service)". www.GeoCities.ws. The Secret Architecture of London. Retrieved 18 February 2017.

ghostarchive.org (Global: 64^th place; English: 28^th place)

"Annie Machon: my so called life as a spy". The Telegraph. 29 August 2010. Archived from the original on 11 January 2022. Retrieved 22 December 2020.
"End for Special Branch after 122 years". www.Telegraph.co.uk. The Telegraph. 9 September 2005. Archived from the original on 11 January 2022. Retrieved 21 November 2018.
Harrison, David (11 November 2007). "Cold War rivals play at spy game". The Daily Telegraph. Archived from the original on 11 January 2022. Retrieved 1 July 2012.
Lewis, Jason; Wynne-Jones, Jonathan (18 June 2011). "MI5 labelled the Archbishop of Canterbury a subversive over anti-Thatcher campaigns". The Daily Telegraph. Archived from the original on 11 January 2022. Retrieved 1 July 2012.
Palmer, Alasdair (14 May 2006). "MI5 mission: impossible". The Daily Telegraph. Archived from the original on 11 January 2022. Retrieved 1 July 2012.
Whitehead, Tom (4 November 2015). "MI5 and GCHQ secretly bulk collecting British public's phone and email records for years, Theresa May reveals". The Daily Telegraph. Archived from the original on 11 January 2022. Retrieved 9 November 2015.

gov.uk (Global: 401^st place; English: 228^th place)

"Public spending statistics: July 2026". GOV.UK. Retrieved 20 July 2026.
"Appointment of the new Director General of the Security Service". www.GOV.uk. Home Office. 28 March 2013. Retrieved 20 August 2013.
"Investigatory Powers Commissioner establishes oversight regime". GOV.UK. Retrieved 6 January 2021.

independent.co.uk (Global: 46^th place; English: 29^th place)

"MI5 edges out of the shadows: 42% of elite Security Service officers are women – Terrorists are main target – Bugging of Royal Family denied – Booklet outlines organisation". The Independent. 16 July 1993. Retrieved 22 December 2020.
Schaefer, Sarah (22 January 1999). "Parliament & Politics: Straw will not see his MI5 file". www.Independent.co.uk. The Independent. Retrieved 1 July 2012.
Osborne, Samuel (8 November 2019). "MI5 licensed informants to commit murder, kidnap and torture for decades, court hears". www.Independent.co.uk. The Independent. Retrieved 9 November 2019.

independent.gov.uk (Global: 5,284^th place; English: 2,732^nd place)

isc.independent.gov.uk

"Intelligence and Security Committee of Parliament - Annual Report 2023–2025" (PDF). Intelligence and Security Committee of Parliament. 15 December 2025. p. 28.
"The Intelligence and Security Committee of Parliament". Isc.independent.gov.uk. Retrieved 5 November 2017.

ipt-uk.com (Global: low place; English: low place)

"What the Tribunal can investigate". www.IPT-UK.com. Investigatory Powers Tribunal, which has judicial oversight. Retrieved 6 July 2014.

irishtimes.com (Global: 252^nd place; English: 133^rd place)

"Barron finds British collusion in attacks". The Irish Times. 29 November 2006.{{cite news}}: CS1 maint: deprecated archival service (link)

judiciary.uk (Global: low place; English: 5,076^th place)

"Rangzieb Ahmed -v- Director General of Security Service and others". High Court. 16 December 2020. Retrieved 31 March 2021.

legislation.gov.uk (Global: 728^th place; English: 375^th place)

"Security Service Act 1989: The Security Service". www.Legislation.gov.uk. HM Government. Retrieved 27 August 2017.
"Intelligence Services Act 1994". www.Legislation.gov.uk. HM Government. Retrieved 27 August 2017.
"Investigatory Powers Act 2016". Legislation.gov.uk. 2016.

mi5.gov.uk (Global: low place; English: low place)

"What's in a name?". www.MI5.gov.uk. MI5. Retrieved 14 May 2014.
"The history of our name | MI5 - The Security Service". www.mi5.gov.uk. Retrieved 10 January 2026.
"People and organisation". www.MI5.gov.uk. MI5. Retrieved 21 November 2018.
"Law, oversight and ethics". MI5. 13 May 2024. Retrieved 13 May 2024.
"MI5 – The authorised centenary history". www.MI5.gov.uk. MI5. Archived from the original on 30 September 2013. Retrieved 8 June 2013.
"MI5 in Northern Ireland". www.MI5.gov.uk. Security Service MI5. Retrieved 15 July 2017.
"Intelligence, counter-terrorism, and trust". www.MI5.gov.uk. MI5. 5 November 2007. Retrieved 8 January 2015.
"'MI5 FAQ'". Retrieved 29 December 2022.

militaryintelligencemuseum.org (Global: low place; English: low place)

"Sidney Noakes Intelligence Corps officer with MI5: Himmler's false identity document". www.MilitaryIntelligenceMuseum.org. Military Intelligence Museum. Archived from the original on 25 May 2020. Retrieved 25 May 2020.

nao.org.uk (Global: low place; English: 9,873^rd place)

Sheldon, Robert (June 1993). Thames House and Vauxhall Cross (PDF). London: National Audit Office. p. 43. ISBN 978-0-10556-669-4. Archived (PDF) from the original on 22 February 2014. Retrieved 7 July 2013.

nationalcrimeagency.gov.uk (Global: low place; English: low place)

"National Crime Agency – About us". www.NationalCrimeAgency.gov.uk. National Crime Agency. Archived from the original on 12 July 2020. Retrieved 21 November 2018.

newyorker.com (Global: 191^st place; English: 122^nd place)

"Enigma Anthony Blunt devoted his life to art—and espionage". New Yorker. 6 January 2002. Retrieved 31 December 2020.

nytimes.com (Global: 7^th place; English: 7^th place)

Bamford, James (18 November 1990). "Gordievsky's people". The New York Times. Retrieved 1 July 2012.
"7 tied to faction of the IRA face terrorism charges". The New York Times. 19 May 2012. Retrieved 20 November 2011.

official-documents.co.uk (Global: low place; English: low place)

archive.official-documents.co.uk

"Security Service Act 1989". www.Archive.Official-Documents.co.uk. 4 July 2000. Retrieved 1 July 2012.

opsi.gov.uk (Global: 5,869^th place; English: 3,839^th place)

"Freedom of Information Act, section 23". www.OPSI.gov.uk. Office of Public Sector Information. Retrieved 3 February 2009.

parliament.uk (Global: 313^th place; English: 181^st place)

api.parliament.uk

Reginald McKenna, Home Secretary (5 August 1914). "Aliens Restriction Bill". Parliamentary Debates (Hansard). House of Commons. col. 1985.
Malcolm Sinclair, The Earl of Caithness, Minister of State, Home Office (30 November 1987). "Security Services Ombudsman: Access". Parliamentary Debates (Hansard). House of Lords. col. 811.
John Patten, Minister for Home Affairs (21 December 1988). "Official Secrets Bill". Parliamentary Debates (Hansard). House of Commons. col. 538.

publications.parliament.uk

Baroness Blatch, Minister of State, Home Office (10 June 1996). "Security Service Bill". Parliamentary Debates (Hansard). House of Commons. col. 1502–1503.
Jack Straw, Home Secretary (25 February 1998). "Security Service files". Parliamentary Debates (Hansard). House of Commons. col. 346–348.
"MI5 files". Parliamentary Debates (Hansard). House of Commons. 5 June 2006. col. 278W.

researchbriefings.files.parliament.uk

"Investigatory Powers Bill" (PDF). House of Commons Library. Archived (PDF) from the original on 23 March 2016.

patfinucanereview.org (Global: low place; English: low place)

"Volume 1 chapter 11: The flow of information from members of the security forces to the UDA". Pat Finucane Review. Archived from the original on 16 December 2012. Retrieved 28 November 2017.

psni.police.uk (Global: low place; English: low place)

"Transfer of national security lead to the Security Service". www.PSNI.Police.uk. Police Service of Northern Ireland. Archived from the original on 8 June 2008. Retrieved 28 November 2017.

publishing.service.gov.uk (Global: 1,837^th place; English: 948^th place)

assets.publishing.service.gov.uk

"30 October 2015 Investigatory Powers Commission factsheet" (PDF). Archived (PDF) from the original on 25 July 2019.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Hiley, Nicholas (2006). "Entering the Lists: MI5's great spy round-up of August 1914". Intelligence and National Security. 21 (1): 46–76. doi:10.1080/02684520600568303. S2CID 154556503.
Hiley, Nicholas (2010). "Re-entering the Lists: MI5's Authorized History and the August 1914 Arrests". Intelligence and National Security. 25 (4): 415–452. doi:10.1080/02684527.2010.537022. S2CID 153404992.

sis.gov.uk (Global: low place; English: low place)

"SIS Records — War Office Military Intelligence (MI) Sections in the First World War". www.SIS.gov.uk. SIS. Archived from the original on 20 August 2006. Retrieved 21 November 2018.
Whitehead, Jennifer (15 July 2016). "Our mission". SIS. Retrieved 25 August 2017.

stanford.edu (Global: 194^th place; English: 182^nd place)

swap.stanford.edu

Howells, Kim (May 2009). Could 7/7 have been prevented? Review of the Intelligence on the London terrorist attacks on 7 July 2005 (PDF). London: UK Cabinet Office, Intelligence and Security Committee. Archived from the original (PDF) on 3 May 2012. Retrieved 25 May 2009.

telegraph.co.uk (Global: 40^th place; English: 27^th place)

"Annie Machon: my so called life as a spy". The Telegraph. 29 August 2010. Archived from the original on 11 January 2022. Retrieved 22 December 2020.
"End for Special Branch after 122 years". www.Telegraph.co.uk. The Telegraph. 9 September 2005. Archived from the original on 11 January 2022. Retrieved 21 November 2018.
"How MI5 combated Communist attempts to take over the scouts". www.Telegraph.co.uk. The Telegraph. 10 April 2014. Archived from the original on 10 April 2014. Retrieved 21 November 2018.
Harrison, David (11 November 2007). "Cold War rivals play at spy game". The Daily Telegraph. Archived from the original on 11 January 2022. Retrieved 1 July 2012.
Lewis, Jason; Wynne-Jones, Jonathan (18 June 2011). "MI5 labelled the Archbishop of Canterbury a subversive over anti-Thatcher campaigns". The Daily Telegraph. Archived from the original on 11 January 2022. Retrieved 1 July 2012.
Palmer, Alasdair (14 May 2006). "MI5 mission: impossible". The Daily Telegraph. Archived from the original on 11 January 2022. Retrieved 1 July 2012.
Whitehead, Tom (4 November 2015). "MI5 and GCHQ secretly bulk collecting British public's phone and email records for years, Theresa May reveals". The Daily Telegraph. Archived from the original on 11 January 2022. Retrieved 9 November 2015.

theguardian.com (Global: 16^th place; English: 11^th place)

Kington, Tom (13 October 2009). "Recruited by MI5: the name's Mussolini. Benito Mussolini". The Guardian. London. Retrieved 14 October 2009.
McDonald, Henry (2 March 2008). "MI5 targets Ireland's al-Qaeda cells". The Guardian. Retrieved 5 June 2014.
Grierson, Jamie (2 March 2018). "MI5 agents can commit crime in UK, government reveals". The Guardian. Retrieved 3 March 2018.
"MI5 colluded in Pakistan's torture of British terrorist, court hears". The Guardian. 27 October 2020.
Sabbagh, Dan (6 March 2021). "MI5 involvement in drone project revealed in paperwork slip-up". The Guardian.

theregister.co.uk (Global: 1,877^th place; English: 1,233^rd place)

"Here's the little-known legal loophole that permitted mass surveillance in the UK". www.TheRegister.co.uk. The Register. 9 November 2015. Retrieved 9 November 2015.

timesonline.co.uk (Global: 437^th place; English: 317^th place)

Leppard, David (14 June 2009). "Oops! Building firm blurts out secrets of hush-hush MI5 HQ". www.TimesOnline.co.uk. The Sunday Times. Archived from the original on 15 June 2010. Retrieved 28 December 2011.

web.archive.org (Global: 1^st place; English: 1^st place)

"MI5 – The authorised centenary history". www.MI5.gov.uk. MI5. Archived from the original on 30 September 2013. Retrieved 8 June 2013.
"SIS Records — War Office Military Intelligence (MI) Sections in the First World War". www.SIS.gov.uk. SIS. Archived from the original on 20 August 2006. Retrieved 21 November 2018.
"Basil Thomson". www.Spartacus.schoolnet.co.uk. Spartacus Educational. Archived from the original on 20 May 2012. Retrieved 1 July 2012.
"How MI5 combated Communist attempts to take over the scouts". www.Telegraph.co.uk. The Telegraph. 10 April 2014. Archived from the original on 10 April 2014. Retrieved 21 November 2018.
"Sidney Noakes Intelligence Corps officer with MI5: Himmler's false identity document". www.MilitaryIntelligenceMuseum.org. Military Intelligence Museum. Archived from the original on 25 May 2020. Retrieved 25 May 2020.
"Final report on the Report of the Independent Commission of Inquiry into the Bombing of Kay's Tavern, Dundalk" (PDF). Burns Moley. Houses of the Oireachtas. November 2006. Archived from the original on 26 October 2008. Retrieved 20 November 2011.
"Volume 1 chapter 11: The flow of information from members of the security forces to the UDA". Pat Finucane Review. Archived from the original on 16 December 2012. Retrieved 28 November 2017.
"Transfer of national security lead to the Security Service". www.PSNI.Police.uk. Police Service of Northern Ireland. Archived from the original on 8 June 2008. Retrieved 28 November 2017.
"National Crime Agency – About us". www.NationalCrimeAgency.gov.uk. National Crime Agency. Archived from the original on 12 July 2020. Retrieved 21 November 2018.
"Investigatory Powers Bill" (PDF). House of Commons Library. Archived (PDF) from the original on 23 March 2016.
"30 October 2015 Investigatory Powers Commission factsheet" (PDF). Archived (PDF) from the original on 25 July 2019.
Sheldon, Robert (June 1993). Thames House and Vauxhall Cross (PDF). London: National Audit Office. p. 43. ISBN 978-0-10556-669-4. Archived (PDF) from the original on 22 February 2014. Retrieved 7 July 2013.
Leppard, David (14 June 2009). "Oops! Building firm blurts out secrets of hush-hush MI5 HQ". www.TimesOnline.co.uk. The Sunday Times. Archived from the original on 15 June 2010. Retrieved 28 December 2011.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Hutton, Robert (2019). Agent Jack : the true story of MI5's secret Nazi hunter. Weidenfeld & Nicolson. ISBN 978-1474605137. OCLC 994362312.

MI5 (English Wikipedia)

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