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

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Etymology

Origin of two-factor authentication

First recorded in 1990–95

Example Sentences

If you call, the scammer may try to access your computer or attempt to get you to reveal sensitive information like your PayPal password, a two-factor authentication code, your Social Security number or your bank details.

From MarketWatch

But she said the key is "prevention and education", including limiting personal information online, using strong passwords and two-factor authentication, and being cautious before sending money or personal images.

From BBC

To add security to your email, social media and other online accounts, enable what is called “two-factor authentication,” or “2FA.”

From Salon

To fix, start with key accounts such as email and banking and enable two-factor authentication if that’s an option.

From The Wall Street Journal

Work-issued phones can be an even bigger hassle, since personal financial accounts often use that number for two-factor authentication.

From The Wall Street Journal