What does encryption algorithm actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Above that, there was a series of configurable rotors that were the key to the Enigma's encryption capability. First, let's look at just one rotor. One side had electrical contacts for all 26 letters.

Cryptography is the art of keeping information secret and safe by transforming it into form that unintended recipients cannot understand. It makes secure data transmission over the internet possible.

The rotor-cipher machine Another early instance of a side-channel attack occurred in 1965 when the British MI5 agency attempted to crack a cipher used by the Egyptian Embassy in London.

Google announces new algorithm that makes FIDO encryption safe from quantum computers New approach combines ECDSA with post-quantum algorithm called Dilithium.