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Two-Factor Authentication (2FA)

An additional way to verify a user’s identity before granting login access. When logging in, two-factor authentication requires the user to prove their identity in two different ways, for example: Something you know (like a username and password) Something you have (like a smartphone with an authentication app installed) Something you are (like your fingerprint or retina scan) There are many different methods of authentication, including via push notifications, SMS passcodes, phone calls, tokens and more.