Two-factor authentication is a security measure used to protect user accounts and sensitive information by adding an extra layer of verification, and it is now available for all online Adelaide metroCARD accounts.
Two-factor authentication is available for both android and iOS devices.
How to activate two-factor authentication?
To activate two-factor authentication login to your online Adelaide metroCARD account and proceed to Manage my account > Manage two-factor authentication.
From here you can follow the prompts.