More than 100 Security Service (MI5) files have been released by the National Archives, showing the confessions of double agents from Cambridge. The Cambridge Five consisted of Harold ‘Kim ...

The newly-declassified documents include details about some of the UK's most notorious spies.

These programmes examine the gradual exposure of the Cambridge Spies and reveal how the names Burgess, Philby, Maclean, Blunt and 'fifth man' Cairncross became synonymous with treachery at the ...

Philby and Blunt were, along with Guy Burgess, Donald Maclean and John Cairncross, part of the "Ring of Five" - former Cambridge University ... and equipment used by spies in the agency's 115 ...

Newly declassified British documents show that Queen Elizabeth II wasn’t told details of her long-time art adviser's double life as a Soviet spy because palace officials didn’t want to add to her ...

The secrets and betrayals poured out of the art historian as he revealed his secret schemes with the Cambridge spies to betray his country. However, he was never prosecuted, was later knighted ...

Two of the Cambridge spies, Donald Maclean and Guy Burgess, fled to Russia in 1951. A third, Kim Philby, continued to work for foreign intelligence agency MI6 despite falling under suspicion.

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

Kim Philby, Anthony Blunt, and John Cairncross - whose details are all included in the exhibit - were recruited as Soviet spies while at Cambridge University in the 1930s. Philby's confession to ...