The Habit That Broke Hitler's "Unbreakable" Code

ByteSizeHistory

ByteSizeHistory

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Germany believed Enigma could never be broken. The machine was nearly perfect. The men using it were not.

This is the story of how the daily routines of German radio operators — the same phrases, the same lazy shortcuts, the same reports sent at the same time every day — handed Bletchley Park the key to Hitler's most secret messages.

In this video:
Why Enigma was considered unbreakable
The predictable habits that gave the codebreakers a way in
How one small human weakness exposed the whole system
What breaking Enigma meant for the war at sea and on land

Was Enigma beaten by brilliant machines, or by human nature? Tell us in the comments.

Watch next: The Guess That Beat Enigma Before Britain's Machine Was Ready

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Sources include F.H. Hinsley (British Intelligence in the Second World War), Gordon Welchman (The Hut Six Story) and Hugh Sebag-Montefiore (Enigma: The Battle for the Code).

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