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Wired News: Computer Warming a Privacy Risk

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Wired News: Computer Warming a Privacy Risk
Topic: Computer Security 9:44 pm EST, Dec 31, 2006

If an attacker wants to learn the IP address of a hidden server on the Tor network, he'll suddenly request something difficult or intensive from that server. The added load will cause it to warm up.

Because temperature affects how fast most electronics operate, warming up the machine causes microscopic changes in clock skew over time. Now the attacker queries computers on the public internet that he suspects of being the Tor server, looking for the shift in skew over the course of hours.

Wow - hardware anomolies being used to track and trace fascinate me.

Wired News: Computer Warming a Privacy Risk



 
 
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