What's most interesting to me is how the security of GSM will hold when GSM stacks in mobile phones can finally be tinkered with. OpenBTS provides the opportuni

What's most interesting to me is how the security of GSM will hold when GSM stacks in mobile phones can finally be tinkered with. OpenBTS provides the opportunity to program and test your own baseband software. Think about fuzzing GSM towers. Right now some enthusiasts here in Berlin are developing their own GSM stack for cheap Motorola phones.