<ul data-eligibleForWebStory="true"><li>AT&T has launched a new Account Lock feature to protect users from SIM swapping attacks.</li><li>SIM swapping attacks involve unauthorized changes to accounts, allowing attackers to intercept messages and break into sensitive accounts.</li><li>Other carriers like T-Mobile, Verizon, and Google Fi already offer similar features to prevent such fraud.</li><li>The Account Lock feature by AT&T also blocks device upgrades and changes to authorized users and phone numbers.</li></ul>

AT&T now lets you lock down your account to prevent SIM swapping attacks

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