![]() ![]() ![]() ![]() The market for SIMs is almost entirely fed by mobile carriers, and supplied by two leading global vendors, Gemalto and Oberthur Technologies. "The competition is organized crime, not AT&T versus T-Mobile." (The situation in similarly in finance, where payment services like MasterCard, Visa, and American Express will work together under industry association EMVco to improve security standards for smart cards.) "Companies are surprisingly open to the idea of working cooperatively on security topics because the competition is somewhere else," says Nohl. Nohl says at least two large carriers have already tasked their staff with finding a patch for the SIM vulnerability, which they will share with other operators through the wireless trade body GSMA. Now that word of the vulnerability is out, he expects it would take them at least six months to crack it, by which time the wireless industry will have implemented available fixes. Nohl, who was profiled by Forbes' Andy Greenberg in 2011 for his work on breaking mobile encryption standards, believes it unlikely that cyber criminals have already found the bug. ![]()
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