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Old 07-28-2017
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Default AudioContext Fingerprint - 100% accuracy ?

https://audiofingerprint.openwpm.com/


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 machineís audio stack via the AudioContext API. So itís 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.

They write:

In the simplest case, a script from the company Liverail checks for the existence of an AudioContext and OscillatorNode to add a single bit of information to a broader fingerprint. More sophisticated scripts process an audio signal generated with an OscillatorNode to fingerprint the device. This technique appears conceptually similar to that of canvas fingerprinting. Audio signals processed on different machines or browsers may have slight differences due to hardware or software differences between the machines, while the same combination of machine and browser will produce the same output.
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Old 07-28-2017
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Default Re: AudioContext Fingerprint - 100% accuracy ?

Quote:
Originally Posted by smartguy View Post
https://audiofingerprint.openwpm.com/


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 machineís audio stack via the AudioContext API. So itís 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.

They write:

In the simplest case, a script from the company Liverail checks for the existence of an AudioContext and OscillatorNode to add a single bit of information to a broader fingerprint. More sophisticated scripts process an audio signal generated with an OscillatorNode to fingerprint the device. This technique appears conceptually similar to that of canvas fingerprinting. Audio signals processed on different machines or browsers may have slight differences due to hardware or software differences between the machines, while the same combination of machine and browser will produce the same output.
To tell you the truth, Google has the best tracking system. They probably has tracking system that's not disclosed to the public.
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Old 07-28-2017
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Default Re: AudioContext Fingerprint - 100% accuracy ?

Oh man.....time to hide in my Safe Room and never come out.
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Old 07-28-2017
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Default Re: AudioContext Fingerprint - 100% accuracy ?

Good thing my sound card has been broken for years..

I think that's a good thing. Sucks for watching youtube though. :(
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