A review on steganography through multimedia

Steganography is a type of secrete communication that hides the secrete information. It deals with the different ways of hiding/embedding the secrete information such as text, image, audio or video files inside another multimedia files with the help of private key. The hidden information is termed as secrete file and the file in which the secrete file is hidden is termed as cover file. The file represents the multimedia files such as text, image, audio or video. The obtained embedded file is said to be stego file. In this paper, the various steganographic techniques used for hiding the secrete file inside the cover file have been discussed.