Learn to use the cipher utility with confidence. This Daily Drill Down walks you through using every cipher switch and shows you exactly what happens in the real world when you use these switches.

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This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. MYSTERY WIRE — The United States Federal ...

What secret alchemical knowledge could be so important it required sophisticated encryption? The setting was Amsterdam, 2019. A conference organized by the Society for the History of Alchemy and ...

The Playfair cipher is an incredibLe code system that is both difficult to decrypt without a computer and easily solvable by hand. You might be familiar with the Cryptoquip in the comics section of a ...

Carrie was a managing editor at CNET focused on breaking and trending news. She'd been reporting and editing for more than a decade, including at the National Journal and Current TV. A three-person ...

A massive treasure lies hidden in a Philadelphia mansion. Ken Bauman is certain of it, and he spent 22 years in law enforcement—most of it as a railroad detective with the Norfolk Southern Railway ...

Every encrypted code in the Island Suspense event in ToT, where to find it, and a summary of its decrypted message.

Researchers have devised a new attack that can decrypt secret session cookies from about 1 percent of the Internet's HTTPS traffic and could affect about 600 of the Internet's most visited sites, ...