However, you can achieve this increased security through our offered integration with two established identity management services that do support two-factor authentication - Octa and Onelogin.
To start with you need to enable SSO integration with Octa or Onelogin. You can find the details of those integration on the following URLs:
TalentLMS & Onelogin integration
Secondly, you need to activate the two-factor authentication on either Octa or OneLogin directly. Here are the details from their sites: