AT&T announced the feature in a news post that details how Wireless Account Lock can help to protect your phone. According to AT&T, users can turn the feature on and off via a toggle located in the AT&T app available for postpaid wireless accounts. When activated, the Account Lock blocks the phone from performing certain functions, including:

Wireless Account Lock is now available for AT&T consumer and business users alike Free feature that can be toggled in the myAT&T app The feature prevents SIM-swapping and similar attacks AT&T has introduced a new feature to protect consumer and business accounts from SIM-swapping attacks.

On Tuesday, AT&T revealed Wireless Account Lock, a new protection designed to curb the SIM-swap scams. When activated, the lock prevents changes from being made to a SIM until it's turned off again. The on/off button for Wireless Account Lock is available in the settings of the myAT&T mobile app.