Files, released at the National Archives on Tuesday, include their MI5 files and letters to one another in prison. Interviewed in 1961, Mrs Houghton said she had become suspicious eight years ...

Meanwhile, Paul Ritter made his final film appearance in the movie before his death in April 2021 at just 54. A stage musical ...

MI5 is being forced to 'pare back' its fight against counterterrorism due to growing threats of meddling from Russia and other aggressive countries. Security agency boss, Ken McCallum revealed ...

Given the codename Johnny O'Brien by his Nazi paymasters, to MI5 he was known as Agent Snow Helped crack Germany's Enigma military codes Seen by Nazis as a master spy, he enabled MI5 to capture ...

MI5 boss Ken McCallum says a major challenge is detecting when people with extremist mindsets might turn to violence MI5 is monitoring for increased risks to the UK as the Israel-Gaza war ...

The agency will have to make “uncomfortable choices” in the face of “much more aggression from nation states”, said Ken McCallum, the director general of MI5. “In effect, we had the 20 ...

One episode delves into the mystery of MI5 agent ‘Jack King’. During World War II, a network of British fascists gathered secret information that might help the Nazi cause and hasten their own ...

The intelligence service inside Britian, MI5, was concerned about people sending important information to the enemy. Posters warned people to be careful about what they said, because 'careless ...

MI5 will be forced to turn focus away from terrorism and towards Russia and other hostile states as a result of the security agency’s “finite capacity”, its boss has said. The agency will ...