2FA
Americanabbreviation
Etymology
Origin of 2FA
First recorded in 2005–10
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.
Setting up 2FA helps block bad actors who might know your password from accessing your private chat history.
From MarketWatch ● Jul. 1, 2026
"Coinbase will never ask for your password, 2FA codes, or for you to transfer assets to a specific or new address, account, vault or wallet," it said.
From BBC ● May 15, 2025
As the cyber threat landscape continues to evolve at an unprecedented pace, 2FA, while useful in the fight against cybercrime, is not a silver bullet.
From Salon ● Sep. 6, 2024
However, as hackers continue to refine their tactics, experts say users need more than 2FA to guarantee security.
From Salon ● Sep. 6, 2024
Most common services, like Google and Facebook, now support 2FA.
From Salon ● Dec. 11, 2016
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Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
