. This Day in History, 1941: Enigma key broken « JO LEE MAGAZINE

History.com – On July 9, 1941, British cryptologists help break the secret code used by the German army to direct ground-to-air operations on the Eastern front.

British and Polish experts had already broken many of the Enigma codes for the Western front. Enigma was the Germans’ most sophisticated coding machine, necessary to secretly transmitting information. The Enigma machine, invented in 1919 by Hugo Koch, a Dutchman, looked like a typewriter and was originally employed for business purposes. The Germany army adapted the machine for wartime use and considered its encoding system unbreakable. They were wrong.

Read more at History.com.





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