from the i-only-speak-in-binary dept.
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."
Gosh that takes me back... or is it forward? That's the trouble with
time travel, you never can tell."
-- Doctor Who, "Androids of Tara"