Imagine you are a spy deep undercover and you have to relay a message to another spy without saying a word. Short of ...
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 ...
On June 27, 2010, the FBI arrested 10 Russian spies who lived and worked as American professionals near New York City. The case, which unraveled an intricate system of false identities and clandestine ...
In steganography, an ordinary message masks the presence of a secret communication. Humans can never do it perfectly, but a new study shows it’s possible for machines. On June 27, 2010, the FBI ...