> For the complete documentation index, see [llms.txt](https://ztrust.gitbook.io/ztrust-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ztrust.gitbook.io/ztrust-documentation/user-manual-ztrust-v4.1/4.-admin-manual/4.13-set-up-multi-factor-authentication.md).

# 4.13 Set up Multi-Factor Authentication

*This feature mandates users to pass at least two authentication factors before gaining access to a website or application. It offers Push Notification-based authentication, Biometric Authentication, ReCAPTCHA-based Registration and Login Page, as well as OTP-based Registration and Login.*

{% hint style="warning" %}
Note: All the configurations are realm-level. This means the configurations need to be done inside the specific realm and not in the 'master' realm.
{% endhint %}