Step 1: If you have admin rights, you can create Two- Factor Authentication for your user.

Step 2: Enable Two Factor Authentication for User using Google Authenticator app and Click on Send Secret Key By Email

Step 1: User will scan QR Code using his Smart phone.

Step 2: User can get the secret key installing the Google authenticator app. Note: Google Authenticator App, Which user will install in their Smart phones to get the key to login at the second step.

Step 2: User will ask to add secret code password. Note: This password would be for only one time use, we can also decide the validity time of each password.