Mobile Carrier Customer Service Ushers in SIM-Swap Fraud - Weak challenge questions by customer service reps make it easy for fraudsters to hijack a phone li... more: https://threatpost.com/mobile-customer-service-sim-swap-fraud/151993/ #twofactorauthentication #challengequestions #weakauthentication #accountcompromise #wirelesscarriers #vulnerabilities #customerservice #mobilesecurity #lineporting #2fabypass #simswap #breach