Netflix's entire library can be unlocked with a simple set of codes. These codes completely bypass the recommendation ...

An antique dress bought a decade ago with coded messages dating back from the 19th century was unveiled, revealing it was a U.S. Army Signal Corps weather observation, providing a glimpse into ...

An anonymous bidder has won the solution to a 35-year-old puzzle for nearly $1 million. The top-secret code could be used to solve Kryptos, an infamously enigmatic sculpture containing four hidden ...

Coders have a storied tradition of creating back doors in programs (or sometimes just fun little Easter eggs) that can only be accessed with a special "key." This has happened for almost as long as ...

Bitcoin’s blockchain allows users to embed hidden messages, functioning as both a financial ledger and a permanent message board. Bitcoin’s OP_RETURN field enables users to store short messages ...

Secret messages can be hidden inside fake conversations generated by AI chatbots. The technique could give people a way to communicate online without arousing the suspicion of oppressive governments.