Techmeology writes "GSM eavesdropping has been demonstrated at the Chaos Computer Club Congress in Berlin using a €10 Motorola phone and open source GSM firmware. Karsten Nohl and Sylvain Munaut replaced the firmware on the phone, enabling them to process all the data it received. They used already available rainbow tables to decrypt data being sent to and from other mobile phones. They have no plans to release the hack publicly, however they expect others to successfully attempt the hack. Mr. Nohl said the objective was to raise awareness of GSM's insecurity."
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