Possibly, the earliest known cryptogram (or substitution cipher) is the Caesar Cipher, supposed to have been used by Julius Caesar. Possibly, the earliest known cryptogram (or substitution cipher) is ...

Ars' own Julian Sanchez has deciphered a code embedded into the TV show Fringe. Bad Robot, the production company that created the Fox TV show, has been integrating puzzles and easter eggs into shows ...

You could do worse than to confuse the meanings of "code" and "cipher"—even cryptographers sometime use the terms as though they had the same meaning. There is, however, a definite distinction between ...

Encryption is an essential tool for protecting data—but the technology can be a bit confusing. This ebook explains what encryption is, how it works, and why it’s so important. From the ebook: ...

Encryption is the process of converting readable data into a coded format that is only accessible by someone with the proper key or password. At its core, encryption ensures privacy and security by ...