John Nagy, author of Invisible Ink: Spycraft of the American Revolution, discusses the codes, ciphers, chemistry and psychology of spying in the American Revolution, in a talk recorded by podcast ...

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 ...

That’s everything you need to know on Exotic Ciphers in Destiny 2 and what they’re used for. For more tips, tricks, and guides, check out our wiki, search for Twinfinite, or have a browse ...

(At least the active period officials know of, anyway.) The murderer, who claimed to have killed more than 30 people, sent four ciphers in total. This 340-character one is the last to be solved.

Fated Ciphers can help you gear up quickly in Destiny 2; The Edge of Fate. Here's what you need to know about them.

One of the ciphers was only solved in 2020, decades after it was written. Here’s everything you need to know about one of the most notorious American serial killers and their secret code.

Codes and ciphers involving rearranged letters, number substitutions, and other now-quaint methods were the WhatsApp, Signal, and PGP keys of the era.

A few months ago, GeekDad’s Challenge of the Week was a lovely cipher about famous novels beginnings. I enjoyed solving it and that reminded me of a time where I was teaching younger students ...