The science or practice of cryptanalysis; the field of study dealing with breaking codes and analyzing encryption.
From cryptanalytic + '-ics' suffix (like 'mathematics' or 'physics'), treating cryptanalysis as a formal scientific discipline.
Cryptanalytics as a field barely existed before WWII; now it's a multi-billion dollar industry protecting everything from credit cards to elections, and ironically, the more we advance cryptanalysis, the better cryptographers have to become.
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