Now there is a book that balances the playing field in terms of awareness, and serves as a valuable reference source for the tools and techniques steganography.The Investigator 's Guide to Steganography provides a comprehensive look at a unique form of hidden communication from its beginnings early to use the most modern. The book begins by exploring the past, providing valuable insight into how methods of communication began and evolved from ancient times until now. It continues by looking in depth at the working methods of digital steganography and watermarking, a tool available on the Internet, and a review of the company that provides leading steganography and watermarking services.