Steganography in Greek means covered or secret writing and is a long practiced form of hiding information. It is the art of concealing the information within seemingly innocuous carriers. Steganography in an essence camouflages a message to hide its existence and make it seem invisible thus concealing the fact that a message is being sent altogether. According to the dictionary, steganography (also known as "steg" or "stego") is "the art of writing in cipher, or in characters, which are not intelligible except to persons who have the key; cryptography". In computer terms, steganography has evolved into the practice of hiding a message within a larger one in such a way that others cannot discern the presence or contents of the hidden message. In contemporary terms, steganography has evolved into a digital strategy of hiding a file in some form of multimedia, such as an image, an audio file (like a .wav or mp3) or even a video file.
Steganography is really nothing new as it has been around since the times of ancient Rome. …
