Steganography or how to hide text in image or sound files

Steganography is the art and science of writing hidden messages in such a way that no one, apart from the sender and intended recipient, suspects the existence of the message, a form of security through obscurity. And now that we have saw the definition of this word, let’s take a look at three open source programs for Linux that you can use to play with this concept: Steghide and Outguess and one closed source Steg