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Tracking PCs anywhere on the Net
Contributed by: G3nu1n3, at 3/05/2005 10:42:00 PM.

A University of California researcher says he has found a way to identify computer hardware remotely, offering a new way to bypass some common security techniques and unmask anonymous Web surfers.

Tadayoshi Kohno, a doctoral student, wrote in a paper on his research: “There are now a number of powerful techniques for remote operating system fingerprinting, that is, remotely determining the operating systems of devices on the Internet. We push this idea further and introduce the notion of remote physical device fingerprinting…without the fingerprinted device’s known cooperation.”

The potential applications for Kohno’s technique are far-reaching. For example, it could be possible to track “a physical device as it connects to the Internet from different access points, counting the number of devices behind a NAT even when the devices use constant or random IP identifications, remotely probing a block of addresses to determine if the addresses correspond to virtual hosts.”

View: Kohno Research Paper
Source: Link


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