When you get the SIM card, insert it into the tray on your ... identifier that connects you to a specific network, your phone number, and an authentication key unique to your SIM card.

Your phone number may be the key to your bank account ... [and] requesting new SIM cards. Now once they get these SIM cards? Crypto, gone. Bank account, drained. Emails, deleted.

Rising cases of mobile fraud are having devastating consequences. We explain what SIM swap and phone porting scams are and how you can prevent and avoid them.