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two-factor authentication

American  
[too-fak-ter aw-then-ti-key-shuhn] / ˈtuˈfæk tər ɔˌθɛn tɪˈkeɪ ʃən /

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


Etymology

Origin of two-factor authentication

First recorded in 1990–95

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Plex puts the Two-Factor Authentication option under your Account page.

From The Verge • Aug. 24, 2022

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