Answer:
2FA
Explanation:
2FA: 2-Factor Authentication
You might've logged into a website or app, and you get a text on your phone with a code to login properly.
Essentially you have to login "twice".
First, with your username & password.
Then again with a temporary code that you get by text/call/email
2FA is needed for the app/website to be *even more* sure that the person logging in is you.
2FA is a feature that requires two forms of identification, such as a password and possession of your phone, to log into an account.
Two-factor authentication is an authentication method in which a device user is granted access to a website or application only after successfully presenting username and passwords or OTP/Code.
2FA is called as 2-Factor Authentication
While logging into a website or app, and one get a code to login safely.
Firstly, to login with username & password, then with a code on mobile or email valid only for 10 minutes.
Thus, 2FA is a feature that requires two forms of identification, such as a password and possession of your phone, to log into an account.
Learn more about 2-Factor Authentication.
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