All you need to know about two-factor authentication

Two-factor authentication (2FA) adds an extra level of security when you log in. Most people log on to an online account by applying a username-password combination. Using 2FA adds a second layer of identity verification to strengthen your login protection.

Learn how it works and how to easily set it up free for your accounts on Facebook, Gmail, Instagram,  Outlook , Snapchat and Twitter.

Photo: Jason Blackeye