Detecting temperature through clock skew
Hot or Not: Defeating anonymity by monitoring clock skew to remotely detect the temperature of a PC
Original File: 23C3-1513-en-detecting_temperature_through_clock_skew.m4v |
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About: Detecting temperature through clock skew | Report Broken File | embed video
By requesting timestamps from a computer, a remote adversary can find out the precise speed of its system clock. As each clock crystal is slightly different, and varies with temperature, this can act as a fingerprint of the computer and its location.
Persons:- Steven J. Murdoch
