3G Security Flaw Could Let Anyone Track Your Phone

Security flaws in the code that connects your phone to 3G networks could allow anyone to track it, according to research from the University of Birmingham with collaboration from the Technical University of Berlin.

The flaws, reported by SC Magazine, involve attackers using a rooted femtocell device -- a small, modified cellular base station -- and performing man-in-the-middle attacks to identify a particular device.

In one instance, the attacker could force mobile devices to reveal its Temporary Mobile Subscriber Identity (TMSI), assuming the attacker knows the International Mobile Subscriber Identity (IMSI).

In another instance, the attacker could sniff a valid Authentication an…
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