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Two-Factor Authentication

Two-factor authentication (2FA) is a method of confirming a user's claimed identity by utilizing a combination of two different components. These components may be something that the user knows, something that the user possesses or something that is inseparable from the user. A good example from everyday life is the withdrawing of money from a cash machine. Only the correct combination of a bank card (something that the user possesses) and a PIN (personal identification number, something that the user knows) allows the transaction to be carried out. 

Click here to learn more about two-factor authentication (2FA) at Florida State University.

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