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.
"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
By requiring users to provide additional verification, such as a code sent to their mobile device, 2FA has made it more challenging for cybercriminals to gain unauthorized access to user accounts.
From Salon • Sep. 6, 2024
Advanced phishing kits can even intercept 2FA codes in real time, allowing attackers to log in before the user becomes aware of the breach.
From Salon • Sep. 6, 2024
"The latest tool offered by some browsers and devices is the passkey... 2FA is better than a password only, but we must be mindful of fatigue and mindlessly clicking 'approve.'"
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
Definitions 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.
