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two-factor authentication

[ too-fak-ter aw-then-ti-key-shuhn ]

noun

, Digital Technology.
  1. a process of establishing identity and verifying permission to access an electronic device or computer network that requires two different forms of authorization, such as a password and a fingerprint scan. : 2FA


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Word History and Origins

Origin of two-factor authentication1

First recorded in 1990–95

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