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AT&T Launches Nationwide Wireless Account Lock to Thwart SIM Swap Attacks

Customers can toggle protections against number porting, SIM swaps, device upgrades, billing changes, unauthorized user updates in the myAT&T app with email or text confirmations

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Overview

  • AT&T fully rolled out its Wireless Account Lock on July 1 for postpaid, prepaid and business customers
  • Primary and secondary account holders can enable or disable the feature at any time under Mobile Security in the myAT&T app
  • Account Lock blocks phone number transfers, SIM or eSIM swaps, device upgrades, billing information updates and changes to authorized users
  • Each toggle triggers a confirmation email to the primary account holder and an SMS to every active number on the account
  • The launch complements similar protections from T-Mobile, Verizon and Google Fi and follows 2023 FCC verification rules introduced after a surge in SIM swapping fraud