Modified Least Significant Bit (MLSB)

Steganography is the science of writing hidden messages is such a way that no one except sender and intended recipient can realize there is a hidden message. Compared with cryptography we can say that, steganography’s in security work as supplement to cryptography, not replace it. So to add another layer of protection we can encrypt the hidden message (Johnson & Jajodia, 1998). A survey of current steganography methods can be found in (Cheddad, Condell, Curran, & Kevitt, 2010) and (Katzenbeisser, & Petitcolas 2000).