Killers usually go to great lengths to avoid the police and media attention, but the self-proclaimed Zodiac, who terrorized the Bay Area in the late 1960s and early 1970s, was an exception. He called ...

The arena of creating secure environments in the hardware and software industries is somewhat shrouded in mystery and misunderstanding. Certainly, some types of ciphers are relatively straightforward ...

Historic messages and documents obscured by incomprehensible ciphers can be found in libraries and archives all over the world. Artificial intelligence is helping historians crack open these ...