Season 4 of "Slow Horses" has a classic weekly release for its six-episode season. Here's the full rundown: "Slow Horses" follows the rejects and runoff of MI-5 that are put on a low-expectation ...

Newly released MI5 files reveal that, for nearly 10 years, the late monarch didn’t know that royal household member Anthony Blunt was actually a Soviet double agent. According to the BBC ...

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 ...

For Christmas this year, the MI5 tapped Oldman to narrate a contemporary take on ‘Twas The Night Before Christmas’ for its social media channels. Titled A Christmas Story from MI5, the clip ...

In one of the newly released files, an MI5 officer notes that Blunt said he felt “profound ... The Cambridge spies have inspired myriad books, plays movies and TV shows, including the 2023 series “ A ...

MI5 files have revealed that film star Dirk Bogarde had been warned that the KGB had identified him as a “practising ...

Ken McCallum has been appointed the new director general of MI5, the security service has said. Mr McCallum led counter terrorism investigations during the London 2012 Olympic Games and MI5's ...

Rules allowing MI5 informants to commit crimes are lawful, a tribunal has ruled. Human rights groups had argued that the government's policy was unlawful and could hide serious abuses. But the ...