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Blocking Steganosonic Data In Phone Calls

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Old 04-02-2008
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Blocking Steganosonic Data In Phone Calls
psyced writes "Steganography is a technique to encode secret messages in the background noise of an audio recording or photograph. There have been attempts at steganalysis in the past, but scientists at FH St. Pölten are developing strategies to block out secret data in VoIP and even GSM phone calls by preemptively modifying background noise (link is to a Google translation of the German original) on a level that stays inaudible or invisible, yet destroys any message encoded within. I wonder if this method could be applied to hiding messages in executables, too."Read more of this story at Slashdot.
http://rss.slashdot.org/~a/Slashdot/slashdot?i=b0zjlQ


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