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A wide-scale study of online trackers carried out by researchers at Princeton University has identified a new technique being used to try to strip web users of their privacy, as well as quantifying the ongoing usage of some better-known tracking techniques.
The new technique unearthed by the study is based on fingerprinting a machine’s audio stack via the AudioContext API. So it’s not collecting sound played or recorded on a machine but rather harvesting the audio signature of the individual machine and using that as an identifier to track a web user.
https://techcrunch.com/2016/05/19/audio … udy-finds/
AudioContext Fingerprint Test Page
https://audiofingerprint.openwpm.com/
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Super post!! We've also been impressed by that study (there's a great page detailing the results on investigating online tracking at the researchers website) and following the AudioContext API usage. It's getting a bit of usage but growing so Epic will soon block it :-).
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Super post!! We've also been impressed by that study (there's a great page detailing the results on investigating online tracking at the researchers website) and following the AudioContext API usage. It's getting a bit of usage but growing so Epic will soon block it :-).
thank you so much
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also mouse scrolling tracking
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Update: Audiocontext tracking has been blocked for over a year now in Epic. We still need need to explore blocking mouse scrolling tracking though.
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