Résultats pour "Enigma" dans Liberté et sécurité

For almost four desperate years between 1939 and 1943, British and American navies fought a savage, losing battle against German submarine wolf packs. The Allies might never have turned the tide of that historic battle without an intelligence coup. The race to break the German U-boat codes is one of the last great untold stories of World War II.

Bloomsbury presents Behind the Enigma by John Ferris, read by Charles Armstrong. 'Fascinating … This monumental work completes the authorised picture of a century of British intelligence' BEN MACINTYRE, THE TIMES '[A] revelatory look at the world of GCHQ … There is much in the book that...

A gripping tale of betrayal and counterbetrayal that tells the story of the most enigmatic member of the Cambridge spy ring - Donald Maclean. Donald Maclean was a star diplomat, an establishment insider and a keeper of some of the West's greatest secrets. He was also a Russian spy, driven by passionately held beliefs, whose betrayal and defection to Moscow reverberated for decades.

The forgotten tale of MI6's top spy in Nazi Germany and his bid to stop the Second World War. In the world of espionage, where the accounts of renowned spies often dominate the narrative, this is a rare gem - an untold story of a completely unknown spy. Baron William de Ropp, a Baltic German...

Enigma est une machine électromécanique portable servant au chiffrement et au déchiffrement de l'information. Elle fut inventée par l'Allemand Arthur Scherbius, reprenant un brevet du Néerlandais Hugo Koch, datant de 1919. Son utilisation la plus célèbre fut celle faite par l'Allemagne nazie et ses alliés, avant et pendant la Seconde Guerre mondiale, la machine étant réputée inviolable selon ses concepteurs.

'Puts Richard Kerbaj in the front rank of modern authors on espionage. It is, by turns, gripping and shocking and sheds completely new light on the most important intelligence alliance in the world' -- Tim Shipman, author of All Out War The Secret History of The Five Eyes: The untold story of...

Examining the espionage and intelligence stories in World War II on a global basis, bringing together the British, American, German, Russian and Japanese histories. In The Secret War, Max Hastings examines the espionage and intelligence machines of all sides in World War II, and the impact of spies, code breakers and partisan operations on events.