Advancement on Steganography: A Review

There have been numerous advancements in information exchange and covert information exchange in recent years by virtue of the various methodologies proposed. Thus, there is a need to keep up with the said advancements’ framework. This paper reviews the progress of a covert information exchange technique, Steganography, over the recent few years by sifting through some cornerstone techniques and papers. We have listed and reviewed the various types of Steganography, with special emphasis on Image Steganography and their various techniques and methodologies. Through this paper, some of the methodologies proposed in recent years are analysed and their characteristics are discussed.