A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text ...

SIM swap attacks are rising fast. Learn how criminals exploit SMS codes and how to protect your phone, banking, and email ...

Google Fi has implemented a Number Lock feature to fight illegal SIM swaps. This feature blocks your number from being transferred to another phone or to a new network. The FCC announced new rules to ...

Gregg Bennett is an entrepreneur in Bellevue, Wash., and he knows a bit about tech. So when his smart phone started acting funny one day last April, he got a bad feeling. "I was having trouble getting ...