Date Added: Jan 2013
Steganography is a science and art of communicating in writing such a way that the presence of message is detected. Steganography is focuses on hiding of a secret message into ordinary messages and the extraction of this message into its destination using provided techniques in such a way only sender and receiver are able to disclose it. Steganography technique can be applied on text, image, video or audio files. Steganography is written in character including hash marking, but its usage within images is also very common. Steganography means hiding an important or secret message into ordinary image file in such a way that an attacker cannot detect the presence of contents in the hidden messages.