Sir Patrick Walker | MI5 - The Security Service

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Sir Patrick Walker (Director General 1987–92)

Portrait of Sir Patrick Walker Sir Patrick Walker (born 1932) joined the Security Service in 1963, following a period of service in the pre-independence government of Uganda.

He led the section responsible for counter-terrorism before being appointed as Director General at the end of 1987. During his term of office he oversaw the Service's transition though the end of the Cold War. The Service was also put onto a statutory footing for the first time through the enactment of the Security Service Act 1989. He retired in February 1992.

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DG article in The Times - 17 November 2022

Director General Ken McCallum writes in The Times about nature of the threats facing the UK and the reasons to share...

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MI5 Director General Ken McCallum

Director General Ken McCallum gives annual threat update

MI5 Director General Ken McCallum gave his annual threat update today, at our headquarters.

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