1
: the solving of cryptograms or cryptographic systems
2
: the theory of solving cryptograms or cryptographic systems : the art of devising methods for cryptanalysis

Examples of cryptanalysis in a Sentence

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These agencies now need to work with cryptanalysis experts to ensure that standardized algorithms are continually tested against the latest AI attack vectors. — Ali El Kaafarani, Forbes.com, 1 Oct. 2026 The Monday blog post goes on to argue, however, that the results are nonetheless meaningful and could ultimately fundamentally disrupt the process of cryptanalysis, or the adversarial testing of cryptosystems. — Dan Goodin, ArsTechnica, 29 July 2026 The consoles’ multicore processors used the Cell architecture developed by IBM, Sony, and Toshiba, which was well suited to running lots of computing processes in parallel, as is required in cryptanalysis. — IEEE Spectrum, 28 Dec. 2024 Quantum cryptanalysis is in its infancy and will be among the highest development priorities for global intelligence agencies to break digital security. — Denis Mandich, Forbes, 21 Oct. 2024 See All Example Sentences for cryptanalysis

Word History

Etymology

crypt- + analysis

First Known Use

1923, in the meaning defined at sense 1

Time Traveler
The first known use of cryptanalysis was in 1923

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Cite this Entry

“Cryptanalysis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cryptanalysis. Accessed 4 Oct. 2026.

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