A codebreaker is a person who performs cryptanalysis.

Look up codebreaker in Wiktionary, the free dictionary.

Codebreaker or Code breaker may also refer to:

• The Codebreakers, a 1967 book on history of cryptography by David Kahn
• Code:Breaker, a 2008 manga by Akimine Kamijyo
• Code Breakers (film), a 2005 American TV film about West Point
• The Code-Breakers, a 2006 British documentary film about software
• Codebreaker (film), a 2011 British film about Alan Turing
• Code Breaker, a video game cheat device
• Codebreaker (video game), an Atari 2600 video game
• Codebreaker or double knee facebreaker, a wrestling move
• The Codebreaker, an episode of the television documentary series American Experience about the life of cryptanalyst Elizebeth Smith Friedman
• The Code Breaker, a 2021 book by Walter Isaacson

• Code talker, a wartime language speaker
• Signals intelligence

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