Information Hiding Through Steganography

The Steganography techniques are moving towards to gain its important role to the exponential growth in secret communication through IT and computer over the internet. This can also be defined as the ocean of secret communication. Mostly the data hiding is achieved in communication, image, text, voice or multimedia content for intelligent communication, copyright, military communication, authentication, spy and many other purposes. In image Steganography, secret communication is achieved to hide a message into cover image (used as the carrier to hide message) and generate a Stego_Image (generated image which is carrying a hidden message). In this paper we have analyzed various steganographic techniques, Open_Stego software and also have overview of steganography, its major types, advantages, disadvantages and their classifications.