Multifactor Authentication (MFA)

Authentication to a system or device can happen through multiple methods. These methods are divided into categories, such as something we know, something we are, something we have, even something we do. In multifactor authentication, two or more methods are used with each desirably coming from a different category.

Two factor authentication is now widely used to enhance password protection and should be implemented where offered. In this case, a password (something we know) is provided and the user then additionally needs to provide one additional form of authentication such as a code from an sms (something we have), biometric scan (something we are), or gesture (something we do).
If available, implement 2 or multifactor authentication options.

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