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Spyware tracks child sex abuse site users

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Wesley Reese
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Hidden code that tracked visitors to a child sex abuse image website has been discovered by its members.

The script in the site targeted visitors using the anonymising web browser Tor and sent information about their computers to a server in France.

The code may have been written by a law enforcement agency and there are fears it could have been used on other sites to track law-abiding people.

An update to the Tor browser has disabled the tracker.

Tor is designed to let people access pages from the so-called dark web and browse free from surveillance.

But the hidden code in the illicit website exploited a security flaw in Tor to send user information back to a mysterious server in France.

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Wesley Reese
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