Obscuring the substance of a message in an image and deploying it in a nonthreatening and high-volume medium like a social network would make it harder to find.

Steganography is the ancient practice of stashing secret text, images, or messages inside a different text, image, or message. It dates back to as early as the fifth century BC, when Spartan King ...

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 ...

According to the DOJ’s charges, the group communicated by posting images encoded with secret messages to public websites, a modern twist on an ancient practice known as steganography.