Analysis of modified triple — A steganography technique using Fisher Yates algorithm

Steganography is a science of embedding private, confidential, sensitive data or information within the given cover media without making any visible changes to it. In this paper, we present a modified Triple-A method for RGB image based steganography. This method introduces the concept of storing variable number of bits in each channel (R, G or B) of pixel. We come out with extended Randomize pixel Steganography algorithm without any limitations on the type of images being used. In this analysis, we focus on the property of human vision system that helps to increase the amount of data hiding in the images practically. In this work, we hide the data in pixel which is selected by randomly using Fisher Yates algorithm. The security can be enhanced by cleverly embedding the data, along with a random choice of pixel position. It offers very high security of messages that hidden in images.