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

AT&T is launching a caller Account Lock diagnostic that’s designed to support wireless users against SIM swapping attacks. The feature, which you tin alteration from the myAT&T app, prevents unauthorized changes to your account, similar telephone fig transfers, SIM paper changes, and updates to billing information.

SIM swapping attacks person go increasingly common successful caller years. They hap erstwhile a atrocious histrion gets ahold of a victim’s telephone number, sometimes with societal engineering techniques specified arsenic impersonating a unfortunate and asking their bearer for a SIM change, and past intercepting messages and telephone calls meant for the victim. This tin fto an attacker person two-factor authentication codes that they tin usage to interruption into delicate accounts.

Other carriers, including T-Mobile, Verizon, and Google Fi, already person akin features to forestall against this benignant of fraud. AT&T began gradually rolling retired Account Lock earlier this year.

As noted by AT&T, its caller Account Lock diagnostic besides blocks instrumentality upgrades, on with changes to authorized users and telephone numbers. 

You tin crook Account Lock connected oregon disconnected astatine immoderate clip by opening the myAT&T app, selecting Services > Mobile Security > Wireless Account Lock, and selecting which accounts you privation to fastener oregon unlock.  AT&T volition past nonstop the superior relationship holder an email notifying them of the change, portion each progressive fig connected the relationship volition person a text. Only users with superior and secondary entree to an AT&T relationship tin usage Account Lock.