If you have a SIM card PIN enabled on your phone to access data on the SIM card, but you repeatedly enter it incorrectly, the SIM card may lock you out from further attempts. You can reset the SIM ...

AT&T is rolling out a protection that prevents unauthorized changes to mobile accounts as the carrier attempts to fight a costly form of account hijacking that occurs when a scammer swaps out the SIM ...

Make sure you know where the toggle is, just in case. - Kevin Carter/Getty Images AT&T has a nifty new way of ensuring that its customers don't get SIM swapped. The only way to do any of those things ...