What is 2FA? What's the benefits to enable the 2FA?

Zyxel_Ivan

2FA (Two-factor Authentication) is the solution to add an extra user identity verification to the user. It can help us against network access comprehensive attempts. With 2FA in place, you can enhance security in a simple way.

We provide the 2FA to protect your Zyxel.com account, you can enable it through the Google Authenticator or Email.

Here's the post for your reference:

By Google Authenticator:

https://community.zyxel.com/en/discussion/19436/how-to-enable-2fa-by-google-authenticatior-for-zyxel-com-login

By Email:

https://community.zyxel.com/en/discussion/19440/how-to-enable-2fa-by-email-for-zyxel-com-login