 Port out hijacking, also called SIM swapping. It's a less common form of identity theft, but the data shows it's on the rise. When your own phone access is lost to a criminal, the very steps you once took to protect your accounts, such as two-factor authentication, can be used against you. Hussein saw thousands disappear from her bank account in the scam. It took a lot of legwork to get the money and her pilfered phone number.