After the war, the service was instrumental in breaking up a large Soviet spy ring at the start of the 1970s. It then allegedly became involved in monitoring trade unions and left-wing politicians. It also assumed responsibility for the investigation of …

Spies working for states fall into two categories: intelligence officers and agents. Intelligence officers are members of intelligence services. They will be highly trained in espionage techniques...

6 天之前 · LONDON (AP) — A desiccated 110-year-old lemon that played a key role in espionage history is one of the star attractions of a London exhibition drawn from the files of MI5, Britain’s domestic intelligence agency.. Compact spy cameras, microdots in a talcum powder tin and a briefcase abandoned by fleeing Soviet spy Guy Burgess are also part of the show at Britain’s National Archives ...

Discover how MI5 works to protect against threats to national security through intelligence gathering techniques, partnerships and legislation. Find out how you can play your part in keeping the...

In 1964, MI5 received information from the American Michael Whitney Straight pointing to Blunt's espionage; the two had known each other at Cambridge some thirty years before and Blunt recruited Straight as a spy. Blunt was interrogated by MI5 and confessed in exchange for immunity from prosecution.

2024年10月8日 · MI5 Director General Ken McCallum said his agents and police have tackled 20 “potentially lethal” plots backed by Iran since 2022 and warned that it could expand its targets in the United Kingdom if conflicts in the Middle East deepen. So far, the threats have been aimed at Iranians abroad who oppose the country’s authorities.

Explore the ever-changing world of espionage and security threats through original case files, photographs and papers, alongside the real equipment used by spies and spy-catchers over MI5’s...

6 天之前 · Recently declassified MI5 documents on display include the 1963 confession of Cambridge spy Kim Philby, who denied treachery for years before he was exposed and fled to Moscow.

2025年2月12日 · MI5 lied to three courts while defending its handling of a misogynistic neo-Nazi state agent who attacked his girlfriend with a machete, the BBC can reveal. Arguing for secrecy, the Security...

On January 7th 1960, a sustained MI5 surveillance operation culminated in the arrest by SB officers of Houghton, Gee and Lonsdale near the Old Vic theatre in London. All three were found to be in...