2FA methods supported by au
au offers the following two-factor authentication options to help protect your account.
SMS
au can send a one-time verification code to your phone via text message.
au 2FA — Frequently asked questions
Does au support an authenticator app?
No. au does not currently offer TOTP-based codes, but it does support SMS.
Which two-factor authentication methods does au support?
au currently supports: SMS.
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