Verizon Makes SIM Swapping Hard. Why Doesn’t AT&T, Sprint, and T-Mobile?
Verizon employs different security procedures when porting a phone number to a different SIM card than the other carriers. This is making SIM swapping attacks harder to perform against Verizon customers.
SIM Swapping Victims Who Lost Millions Are Pressuring Telcos to Protect Their Customers
A small group of victims of SIM swapping hacks is trying to raise awareness, teach people about the scam, and put pressure on cell phone providers to step up their efforts against cybercriminals.