What is multifactor authentication, and what are some examples?
What will be an ideal response?
ANSWER: An authentication process that requires two or more pieces of information is known as MFA (multifactor authentication). There are five categories of authentication factors. These factors, along with some examples of each, are:
* something you know-A password, PIN, or biographical data
* something you have-An ATM card, smart card, or key
* something you are-Your fingerprint, facial pattern, or iris pattern
* somewhere you are-Your location in a specific building or secured closet
* something you do-The specific way you type, speak, or walk
Multifactor authentication requires at least one authentication method from at least two different categories. For example, logging into a network might require a password, a fingerprint scan, plus a piece of information generated from a security token. A security token is a device or application that stores or generates information, such as a series of numbers or letters, known only to its authorized user.
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