Smartphones are susceptible to malware and carriers have enabled NSA snooping, but the prevailing wisdom has it thereâ??s still one part of your mobile phone that remains safe and un-hackable: your SIM card.
Yet after three years of research, German cryptographer Karsten Nohl claims to have finally found encryption and software flaws that could affect millions of SIM cards, and open up another route on mobile phones for surveillance and fraud.
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