noun
cryptology
The study of codes and ciphers, encompassing both cryptography and cryptanalysis. Often used in academic or technical contexts.
See also: 暗号学
クリプトロジーは情報セキュリティの基礎となる学問だ。
Cryptology is a discipline that forms the foundation of information security.
暗号学 is the native Japanese term for cryptology, while クリプトロジー is a direct loanword from English. Both are synonymous, but クリプトロジー may sound more modern or technical.
Borrowed from English 'cryptology', ultimately from Ancient Greek κρυπτός (kruptós, 'hidden') and λόγος (lógos, 'study').