two-factor authentication
noun
two-fac·tor authentication
ˈtü-ˈfak-tər- 
: a method of verifying the identity of a person (as for granting access to a system) by requiring a password and an additional form of authorization (such as a code, a fingerprint, or a smartphone app)
—abbreviation 2FA
compare multi-factor authentication
Examples of two-factor authentication in a Sentence
Recent Examples on the Web
The Federal Bureau of Investigation and the Cybersecurity and Infrastructure Security Agency recently issued a joint advisory warning that two-factor authentication needed to be activated for all webmail and VPN accounts as a matter of urgency.
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Davey Winder, Forbes, 22 Mar. 2025
Meanwhile, most organizations are still behind on basic security measures, Reiser said, noting that the typical company is focused on setting up two-factor authentication.
—Sam Sabin, Axios, 14 Mar. 2025
Enable two-factor authentication as a matter of course, or use a Passkey which will serve as both a secure login method and as a second authentication factor.
—Davey Winder, Forbes, 10 Mar. 2025
Common security methods include updating passwords, two-factor authentication, and avoiding clicking suspicious links.
—Tommy Tuberville, Newsweek, 7 Mar. 2025
See All Example Sentences for two-factor authentication
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Davey Winder, Forbes, 22 Mar. 2025
Meanwhile, most organizations are still behind on basic security measures, Reiser said, noting that the typical company is focused on setting up two-factor authentication.
—Sam Sabin, Axios, 14 Mar. 2025
Enable two-factor authentication as a matter of course, or use a Passkey which will serve as both a secure login method and as a second authentication factor.
—Davey Winder, Forbes, 10 Mar. 2025
Common security methods include updating passwords, two-factor authentication, and avoiding clicking suspicious links.
—Tommy Tuberville, Newsweek, 7 Mar. 2025
See All Example Sentences for two-factor authentication
Cite this Entry
“Two-factor authentication.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/two-factor%20authentication. Accessed 29 Mar. 2025.
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