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Posted by AdamT on 03/04/05 19:14
Just saw this on /. and thought it might be of interest in this thread:
http://www.zdnet.com.au/news/security/0,2000061744,39183346,00.htm
http://www.caida.org/outreach/papers/2005/fingerprinting/
"We introduce the area of remote physical device fingerprinting, or
fingerprinting a physical device, as opposed to an operating system or
class of devices, remotely, and without the fingerprinted device's
known cooperation. We accomplish this goal by exploiting small,
microscopic deviations in device hardware: clock skews. Our techniques
do not require any modification to the fingerprinted devices. Our
techniques report consistent measurements when the measurer is
thousands of miles, multiple hops, and tens of milliseconds away from
the fingerprinted device, and when the fingerprinted device is
connected to the Internet from different locations and via different
access technologies...."
It's overkill, of course, but you can never have too much overkill....
--
AdamT
"Justify my text? I'm sorry, but it has no excuse."
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