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

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

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

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 ...

Britain’s National Archives on Tuesdayreleased declassified MI5 domestic counterintelligence agency files containing the confessions of notorious double agents known as the “Cambridge Five” who spied ...

"Watchers" – effectively spies in MI5 – were also instructed ... confessions from some of the members of the so-called Cambridge Five spy ring have also been provided to the National Archives ...

Among the papers is an incomplete six-page confession from 1963 of Philby, seen as the Cambridge Five's ringleader and ... papers and equipment used by spies in the agency's 115-year history.

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.

Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents including Kim Philby and Anthony Blunt who spied for the Soviet Union were released ...