Your company is rolling out multifactor authentication (MFA) for remote VPN logins. Users will authenticate with a username/password and an additional factor that proves physical possession. Which of the following would satisfy the "something you have" factor?
A security token is a physical device-such as a hardware OTP fob, smart card, or FIDO key-that the user must possess during login. This makes it a classic "something you have" factor. A fingerprint and voice recognition rely on unique biometric characteristics, placing them in the "something you are" category. A password is a memorized secret, or "something you know," so it does not meet the possession-based requirement.
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What types of devices fall under 'something you have' in multifactor authentication?
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How does 'something you have' differ from 'something you know' or 'something you are'?
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What are the advantages of including 'something you have' in multifactor authentication?