A Start

This book is about making information disappear. For some people, this topic is a parlor trick, an amazing intellectual exercise that rattles around about the foundations of knowledge. For others, the topic has immense practical importance. An enemy can only control your message if they can find it. If you hide data, you can protect your thoughts from censorship and discovery.

The book describes a number of different techniques that people can use to hide information. The sound files and images that float about the network today are great locations filled with possibilities. Large messages can be hidden in the noise of these images or sound files where no one can expect to find them. About one eighth of an image file can be used to hide ...

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