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...

British 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...

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

(series 1 & 3), the Director General of MI5, often referred to as "First Desk". Freddie Fox as James "Spider" Webb (series 1–3), an MI5 agent based at Regent's...

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

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...

Parker of Minsmere, GCVO, KCB, PC (born 8 May 1962) is a British life peer and former intelligence officer who served as Director General of MI5 from 2013...

in charge of surveillance and technical operations. She became Director General of MI5 in October 2002 and, in that capacity, led the Security Service's...

"Appointment of the new Director General of the Security Service". Home Office. 28 March 2013. Retrieved 24 April 2013. "Director General". MI5. Retrieved...

A director general or director-general (plural: directors general, directors-general, director generals or director-generals) is a senior executive officer...