Question

Explain two factor authentication? explain in short​

Answer 1

Answer:

Two-factor authentication (2FA) is a second layer of security to protect an account or system. ... 2FA increases the safety of online accounts by requiring two types of information from the user, such as a password or PIN, an email account, an ATM card or fingerprint, before the user can log in.

Explanation:

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Answer 2

$<p style ="Color:cyan; font-family: cursive; background:black;font size25px;"> </p><p>Two-factor authentication (2FA) is a second layer of security to protect an account or system. Users must go through two layers of security before being granted access to an account or system.$