July 22, 2013

SIM card flaw said to allow hijacking of millions of phones

Vulnerability in the security key that protects the card could allow eavesdropping on phone conversations, fraudulent purchases, or impersonation of the handset's owner, a security researcher warns. News.com reports.

quotemarksright.jpgKarsten Nohl, founder of Security Research Labs in Berlin, told The New York Times that he has identified a flaw in SIM encryption technology that could allow an attacker to obtain a SIM card's digital key, the 56-digit sequence that allows modification of the card. The flaw, which may affect as many as 750 million mobile phones, could allow eavesdropping on phone conversations, fraudulent purchases, or impersonation of the handset's owner, Nohl warned.quotesmarksleft.jpg

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