Check your account settings to help stop unauthorized access online, in-store, or by phone.
Turn on Wireless Account Lock to disable some transactions and account changes for all devices and lines on your account. Review Wireless Account Lock details
Update your AT&T ID if it’s easy to guess, or it’s been compromised.
Use a unique password for your account. Try to create a long one with a mix of uppercase and lowercase letters, numbers, and symbols. If you have more than one ID, use different passwords for each one. Always make sure to change your password if you think someone has accessed your account. Find out how to change your AT&T ID or reset your password.
Use an account or extra security passcode to confirm it’s you when accessing your account.
Learn how to change a passcode or extra security
Make sure your account info is up-to-date. You can:
Anyone on your account with secondary online access can sign in with their own ID and password to manage your account. Learn how to add or remove secondary online access
Anyone listed as a Retail Authorized User may be able to manage your wireless account in an AT&T store. Find out how to add or remove Retail Authorized Users