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

Secret UK Files Detailing Confessions of Cambridge Five Spies Released By Michael Holden LONDON (Reuters) - Top secret MI5 ...

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

Britain’s National Archives on Tuesdayreleased declassified MI5 domestic counterintelligence agency files containing the ...

MI5 documents reveal her private secretary ‘saw no advantage in telling her’ about treachery of Buckingham Palace art expert ...

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.

Philby and Blunt were, along with Guy Burgess, Donald Maclean and John Cairncross, part of the "Ring of Five" - former Cambridge University students who passed information to the Soviets from the ...