Steganalysis

Bol

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Steganalysis is the art and science of detecting messages hidden using steganography; this is analogous to cryptanalysis applied to cryptography. The goal of steganalysis is to identify suspected packages, determine whether or not they have a payload encoded into them, and, if possible, recover that payload. Unlike cryptanalysis, where it is obvious that intercepted data contains a message, steganalysis generally starts with a pile of suspect data files, but little information about which of the files, if any, contain a payload. The steganalyst is usually something of a forensic statistician, and must start by reducing this set of data files to the subset most likely to have been altered.

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