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Possible Duplicate:
Detecting Steganography in images

Is there a way to detect and extract hidden data from picture which altered by steganography?

For example, If someone tried to spill confidential information through a picture which contain data attached on email from pc within a company, is there a way to detect the picture contains hidden information, and to extract it?

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crucifylover
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  • This presentation from defcon 19 might tell you some basics, at around 7:40 he shows one way of detection: http://www.youtube.com/watch?v=6Ig2z9HPvBc&feature=plcp&context=C32c4a87UDOEgsToPDskJFh3jWTOjn0DU0VBRhJV6f It's not to advanced, but thought i'd throw it in there. – Kristoffer la Cour Feb 16 '12 at 11:10

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