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Tor Browser and Tails version fingerprint PoC

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Tor Browser Fingerprint

Tor Browser and Tails version fingerprinting in Javascript (and some CSS). The PoC can also detect if Tor Browser is running on a Mac OS X. Works up to medium-high privacy settings.

Online demo at:


Tor Fingerprinting Screenshot

Demo Video

Tor Browser Fingerprinting Demo Video

Responsible Disclosure

The Tor-project was contacted in Jan 2016. But no changes has been made since the root of the problem is located in Firefox.

Related Work

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