Five Cambridge University graduates served as double agents, leaking highly classified information to the Soviet Union ...

However, the release of MI5’s files this week, detailing the confessions of Kim Philby and his fellow members of the Cambridge Five, forces us to confront an unsettling reality: espionage is a world ...

The Cambridge Five consisted of Harold ‘Kim’ Philby, Guy Burgess, Donald Maclean, Anthony Blunt and John Cairncross, who together made up the most infamous spy ring of the 20th century.

As new documents reveal fascinating new details about the infamous MI6 double agent Kim Philby and his betrayals, Mark Hollingsworth reflects on how despite the evidence, he and fellow Soviet agent An ...

The British secret service has declassified new documents about the famous spy who ended up fleeing to Moscow, where he died alone and drunk 25 years later ...

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

Confessions of double agents and tips for new spies have been released as part of a tranche of recently-declassified documents from MI5. The documents are part of a new exhibition on display at the ...