This is not as easy as it sounds — and it’s not common advice. But there’s a new warning for iPhone and Android users to ...

Your phone's SIM card allows the device to make calls, send texts, and connect to the internet. The SIM card provides a phone number that identifies your device on the carrier's network, whether it's ...

With a SIM-swapping attack, scammers hijack your phone number to gain access to apps on your phone—including banking apps. These tips can help you safeguard your most private information.