Newly released MI5 files from the National Archives reveal that British intelligence monitored potential connections between ...

App happy | The UK is considering making households who only use streaming services such as Netflix and Disney pay the BBC licence fee, as part of plans to modernise the way it funds the ...

A World War II-era guide to tailing a target, and files on notorious double agents such as Kim Philby, feature in MI5: ...

Jonathan Hall KC warned that football hooligans and criminal gangs could technically be classed as terrorists under Sir ...

The UK's terrorist threat level is currently classified as "substantial," meaning an attack is considered likely.

He is considered one of the most successful double agents of the Cold War period in British intelligence history. The MI5: Official Secrets exhibition opens at The National Archives this spring.

Around the same time, a KGB defector told spooks that a young British actor had been targeted in a possible recruitment attempt in the Russian capital. MI5 thought this man might have been Bogarde ...

In 1970, MI5 learned that he had been named as a homosexual ... Around the same time, a KGB defector warned that a young British actor had been the subject of a possible recruitment attempt ...

Jonathan Hall KC, the independent reviewer of terrorism legislation, suggested the security services lacked the resources to ...

But the system is fluid when it comes to what classifies as terrorism The newly-declassified documents include details about some of the UK's most notorious ... also revealed MI5 had responded ...

Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...