What is Steganography?
Hiding a secret message within an ordinary message and extracting it at the destination to maintain confidentiality of the data. Example: Popular method is hiding a file inside an image or using image file as a cover. http://www.wikihow.com/Hide-a-File-in-an-Image-File Techniques:
Technical Steganography: Uses physical and chemical means to hide the existence of a message.Example – Invisible ink, Microdots, In Computers (Uses redundant information in pictures, text, sound etc) Linguistic Steganography: Uses written natural language to hide the message in the carrier in some non-obvious ways.
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Mac Forensics
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