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au

Authenticator App for au

How to enable Two-Factor Authentication for au

au is one of 110 Utilities services in our 2FA directory that you can protect with Authenticator.

To enhance your au account security, consider enabling two-factor authentication (2FA). This guide will help you understand how to set up and use au 2FA effectively. Learn how to enable 2FA for au, set up your preferred authentication method, and keep your account secure when signing in.

Before you can set up 2-Step Verification for your au account you will need to download Authenticator App on your device. Tap the button below or scan the QR code.

Download Authenticator

Supported authentication methods

SMS Verification

au can send verification codes via text message to your registered phone number.

Service name

au

Website

How to set up 2FA for au

To enhance your au account security, enable two-factor authentication (2FA). Follow the steps below:

  1. Log in to your au account

    Sign in with your username and password.

  2. Open Security settings

    In account settings, look for Security, Privacy & Security, or Authentication.

  3. Enable two-factor authentication (2FA)

    Choose Enable, Turn on, or a similar option.

  4. Choose your verification method

    Common options include:

    1. Authenticator app (recommended) Generate time-based one-time codes with Authenticator App - Vidus6.
    2. Security key (if supported) Use a hardware key (FIDO2/U2F) as your second factor.
    3. Text message (SMS) Receive verification codes by SMS (less secure than an authenticator app).
    4. Email or backup codes Use as a backup to recover access if you lose your device.
  5. Follow the on-screen instructions

    Complete the 2FA setup and securely store any backup codes provided.

  6. Test your setup

    Sign out and sign back in to confirm 2FA is working as expected.

Steps and labels can vary between services. For the most accurate and up-to-date steps, visit au's official documentation.

How to recover your au account

If you lose access to your au two-factor authentication (2FA) codes, reach out to the au support team for assistance.

Available regions

au offers two-factor authentication in the following regions:

Japan

Additional domains

au also operates under the following domains:

auone.jp

Related topics

au authentication appau authenticator appau verification codetotp authenticator apptwo factor authenticationau 2fa2fa authenticator appgoogle authenticator appmicrosoft authenticator appbest authenticator appfree authenticator apptwo factor verificationutilities

FAQ

Does au support authenticator apps (TOTP)?

au does not currently support authenticator apps (TOTP). The available 2FA methods are: SMS.

How do I set up 2FA on au?

Visit au's official documentation for step-by-step 2FA setup instructions. You will need an authenticator app like Authenticator by Vidus6 installed on your device.

How do I recover my au account if I lose my 2FA device?

Contact the au support team for help recovering your account if you lose access to your 2FA codes. Keep any backup codes you received during setup in a safe place.

Is au 2FA available in my country?

au offers two-factor authentication in the following regions: Japan. Availability may vary.

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Disclaimer

The information on this page is intended solely for educational purposes, aimed at assisting users in securing their accounts through two-factor authentication (2FA). We do not have any affiliation, partnership, or cooperation with the referenced services. Trademarks and logos remain the property of their respective owners.

For inquiries about this page, contact us at contact@vidus6.com.

Data for the service list is sourced from 2fa.directory. MIT License.