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 ...

A 400-year-old coded text found at the Vatican Library is among the historic documents and messages that are being cracked with the help of artificial intelligence.

The National Security Agency can easily defeat the world’s most widely used cellphone encryption, a capability that means the agency can decode most of the billions of calls and texts that travel over ...