Researchers at the Dresden University of Technology have developed a surprisingly reliable tracking method that can remotely identify individual GSM phones based on unique characteristics in their radio signals, even if the phone's identification codes or SIM cards have been swapped. In lab tests using "real-world conditions," the researchers were able to identify 13 different mobile phones 97.62% of the time. That's an impressive initial result, and the team behind the work says that it's just the first step in this type of remote mobile forensics.
via The Verge - All Posts http://www.theverge.com/2013/8/5/4590040/gsm-mobile-digital-fingerprint
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