Two-factor authentication (2FA) explained: How it works and how to enable it

What is Two-Factor Authentication (2FA)? | Definition from TechTarget

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Multi-Factor Authentication (MFA) Solution | miniOrange

What Is Multi-Factor Authentication? Types and Advantages

GoDaddy - Set up my multi-factor authentication method

Set up multi-factor authentication for Microsoft 365

1. How to set up Microsoft Authenticator for Multi-Factor Authentication in Azure Active Directory (1/2)