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Encrypted VoIP Meets Traffic Analysis

Der_Yak writes "Researchers from MIT, Google, UNC Chapel Hill, and Johns Hopkins published a recent paper that presents a method for detecting spoken phrases in encrypted VoIP traffic that has been encoded using variable bitrate codecs. They claim an average accuracy of 50% and as high as 90% for specific phrases."

1 of 98 comments (clear)

  1. Duh! by Anonymous Coward · · Score: 2, Insightful

    When you want to secure something, you must think carefully about how you might be leaking information. You can't just slap some encryption on and call it a day.