Abstract: With the development of computer and internet in different areas of life and work, the security has a vital role in networking. Information security is transfer the information through the different network media, so the different methods like steganography, cryptography, coding etc.are used. Steganography is the method to hide the message and has two types of material message is the secret data which should be hidden and carrier has material which has the message. This paper studies the various types & methods of steganography such as image, audio/video and text/document and to conceal the methods.

Keywords: Steganography, Spatial domain technique, Transformation domain, LSB, ISB.