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May252006

FINDING COMPUTER FILES HIDDEN IN PLAIN SIGHT

Ames Laboratory researchers detect secret files lurking within digital images

AMES, Iowa – Keeping computer files private requires only the use of a simple encryption program. For criminals or terrorists wanting to conceal their activities, however, attaching an encrypted file to an e-mail message is sure to raise suspicion with law enforcement or government agents monitoring e-mail traffic.

But what if files could be hidden within the complex digital code of a photographic image? A family snapshot, for example, could contain secret information and even a trained eye wouldn’t know the difference. | 

Computer, Files, Hidden

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