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 browser data targeted includes session cookies which are a hacker favorite as they can be used to bypass two-factor authentication protections.
—
Davey Winder, Forbes, 9 Dec. 2024
As one example, the company implemented mandatory two-factor authentication with physical security keys for all people who interact with T-Mobile systems, including all contractors in addition to employees.
—Lily Hay Newman, WIRED, 4 Dec. 2024
To further enhance security, enable two-factor authentication on your new account to add an extra layer of protection.
—Kurt Knutsson, Cyberguy Report, Fox News, 24 Nov. 2024
Which is why Microsoft, and other vendors, recommend the use of robust passwords and a password manager along with two-factor authentication as protection, or better still, the use of a passkey.
—Davey Winder, Forbes, 23 Nov. 2024
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Davey Winder, Forbes, 9 Dec. 2024
As one example, the company implemented mandatory two-factor authentication with physical security keys for all people who interact with T-Mobile systems, including all contractors in addition to employees.
—Lily Hay Newman, WIRED, 4 Dec. 2024
To further enhance security, enable two-factor authentication on your new account to add an extra layer of protection.
—Kurt Knutsson, Cyberguy Report, Fox News, 24 Nov. 2024
Which is why Microsoft, and other vendors, recommend the use of robust passwords and a password manager along with two-factor authentication as protection, or better still, the use of a passkey.
—Davey Winder, Forbes, 23 Nov. 2024
See all Example Sentences for two-factor authentication
Dictionary Entries Near 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 22 Dec. 2024.
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