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MI5 Security Service officer and deputy director general Graham Russell Mitchell OBE , CB (4 November 1905 – 19 November 1984), was an officer of MI5 , the British Security Service, between 1939 and 1963, serving as its deputy director general between 1956 and 1963.
In April 2020, McCallum succeeded Sir Andrew Parker as Director General of MI5. [6] [3]In 2021, McCallum said in his annual threat update that the activities of China, Russia, and other hostile states could have as large an impact on the public as terrorism, marking a significant shift in emphasis for the UK’s domestic spy agency.
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 ...
In 2005, he became Deputy Director General. [9] In March 2007, he was announced as the next Director General of MI5, in succession to Dame Eliza Manningham-Buller. [9] He took up the post in April 2007. [10] In November 2007, he talked publicly about the threat the UK faces from digital espionage. [11] He spoke at RUSI on National Security in ...
However, despite these steps towards a nascent general staff, the Intelligence Branch remained a purely advisory body, something that sharply limited its influence. The Branch was transferred to the Adjutant General's Department in 1888 and Brackenbury's title was changed to Director of Military Intelligence.
The head of MI5 will make his first joint public appearance with counterparts from the Five Eyes intelligence services amid warnings about the threats to UK businesses from foreign states.
The Secret War Between the Wars: MI5 in the 1920s and the 1930s. Bowyer. ISBN 978-1-84383-938-5. Rimington, Stella (2001). Open Secret: The Autobiography of the Former Director-General of MI5. Hutchinson. ISBN 978-0-09943-672-0. Thomas, Martin (2008). Empires of Intelligence: Security Services and Colonial Disorder after 1914. University of ...
Keast-Butler joined GCHQ from MI5, where she was Deputy Director General, responsible for MI5's operational, investigative and protective security work. This has included MI5's – and the allies' – preparation for and response to the Russian invasion of Ukraine.