A solicitor who acts for a former career criminal who says he was an MI5 hitman during the Troubles believes his account is ...

An English career criminal has claimed he was recruited to murder five people on behalf of MI5 in the early days of the ...

MI5’s top interrogator was baffled by Kim Philby, admitting he could not determine whether he was a Soviet spy, according to newly declassified intelligence files. Jim Skardon, a former Metropolitan ...

Members of the spy ring in the 1930s spilled secrets to the Soviet Union from the heart of the U.K. intelligence establishment.

MI5 feared film star Dirk Bogarde could be the target of a KGB gay "entrapment" attempt after it emerged he was on a list of ...

Titled “A Christmas Story from MI5,” the video shows various agents ... as depicted in the TV series) while Oldman narrates in the voice of his “Slow Horses” character Jackson Lamb.

It might be a new year but it’s the same old message for the New IRA from MI5 after 25 alleged members of the terror group ...

Film star Dirk Bogarde was warned by MI5 that he could be the target of a ... by it Having made his name in the popular Doctor series of comedies in the 1950, he subsequently appeared in a number ...

In "A Christmas Story from MI5," the video shows various agents at their computers at the spy agency's London headquarters, Thames House (not Regent's Park, as depicted in the TV series), while ...

Some MI5 material relating to its involvement with a teenager who was charged with terrorism before she took her own life is being “withheld” from her inquest but is “not a cause for concern”, a ...

The guidance will feature in a new exhibition at the National Archives focusing on the work of the Security Service.