NIST
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What is Multi-Factor Authentication and Why is It Necessary?
Many people have heard the basics of account protection: Get a password manager for your online accounts, make your passwords complex and never reuse them. But what about Multi-Factor Authentication? What is Multi-Factory authentication, what’s so special about it, and why is it needed? Multi-Factor Authentication (MFA), also sometimes known as Two-Factor Authentication (2FA), adds another layer of security to the sign-in process giving accounts further protection against unauthorized access. MFA requires multiple (two or more elements) to be used in order to grant full authentication. Multifactor authentication consists of 3 major things: Something you know: This can be a password, or the answer to a security question that cannot…