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To: tor-talk@lists.torproject.org
From: "mrnobody@mail-on.us" <mrnobody@mail-on.us>
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Date: Thu, 26 May 2016 06:23:34 +0000
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Subject: [tor-talk] Audio fingerprinting
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From: "mrnobody@mail-on.us" <mrnobody@mail-on.us>
To: tor-talk@lists.torproject.org
Message-ID: <57469666.2050200@mail-on.us>
Subject: Audio fingerprinting
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http://techcrunch.com/2016/05/19/audio-fingerprinting-being-used-to-track=
-web-users-study-finds/

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=E2=80=99s audio stack via the AudioContext API. So it=E2=80=99s n=
ot 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.

I understand that these methods are not possible without javascript, are
they?
The example provided in the webpage:
https://audiofingerprint.openwpm.com/
uses fingerprintjs2 library.

Any thoughts?

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