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

Word History and Origins

Origin of two-factor authentication¹

First recorded in 1990–95

Example Sentences

My phone started pinging with two-factor authentication notifications.

From BBC

The National Cyber Security Centre says you should change your password, and use two-factor authentication if possible.

From BBC

Age verification firm Verifymy says when you carry out this check on its service, a two-factor authentication check and a mini transaction with no exchange of money takes place, similar to checking into a hotel.

From BBC

Vonny Gamot, from online protection company McAfee, recommended any affected customers should take immediate action such as changing passwords and enabling two-factor authentication on accounts that support it.

From BBC

Currently, online services use a variety of ways to confirm people’s identities including video selfies, phone numbers, government-issued IDs and two-factor authentication.

From Los Angeles Times