An IT administrator at a financial services firm is enhancing the security policy related to user authentication on their network. The goal is to ensure only authorized users can access sensitive financial data. The administrator decides to implement an additional layer of security that involves something the user knows and something the user has. Which of the following authentication methods is the administrator planning to implement?
Multifactor authentication (MFA) is the correct choice because it requires two or more independent authentication factors. In this case, combining something the user knows (such as a password) with something the user has (such as a hardware token or a mobile device receiving a code) satisfies the MFA definition. Single-factor authentication uses only one factor, making it less secure. Biometric authentication typically involves only something the user is (such as a fingerprint) unless combined with an additional factor. Using a hardware token alone is still single-factor because it relies solely on something the user has.
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What are the components of Multifactor Authentication (MFA)?
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How does Multifactor Authentication improve security compared to Single-factor Authentication?
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What are some common examples of something the user has in MFA?