Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...

Microsoft is killing off an obsolete and vulnerable encryption cipher that Windows has supported by default for 26 years ...

Quantum computing represents a major threat to encryption, and the inflection point may be less than five years away.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Dr. JeFreda R. Brown is a financial ...

For decades, one script embedded in the Dead Sea Scrolls resisted all efforts to unlock its meaning. Known as Cryptic B, the code had remained undeciphered for more than 70 years, puzzling generations ...