Every GSM phone needs a SIM card, and you'd think such a ubiquitous standard would be immune to any hijack attempts. Evidently not, as Karsten Nohl of Security Research Labs -- who found a hole in GSM ...

Wireless carriers sell you “postpaid” contract phones at a considerable discount. The carrier expects to recoup its outlay — the full price of the equipment — over the life of the contract that you ...

Conflict is brewing in the mobile world over the adoption of a new, smaller standard for the SIM card — the chip in each GSM phone that dictates which network you connect to and your cellphone number.