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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.

Last time, we used Python to create a Caesar cipher. It simply shifts characters by a fixed number. and other fundamentals of cryptographic technology were packed into it. However, the Caesar cipher ...

Large language models such as ChatGPT come with filters to keep certain info from getting out. A new mathematical argument shows that systems like this can never be completely safe. Ask ChatGPT how to ...

A recent study published in the journal Cryptologia presents what its author calls the Naibbe cipher, a manual substitution cipher system that, as he demonstrates, is capable of taking texts in Latin ...

The 35-year-old saga of Kryptos, an enigmatic sculpture containing four encrypted messages outside the headquarters of the U.S. Central Intelligence Agency, recently took a bizarre twist.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...