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
If an attacker gains control of a user's device, they may be able to access both the password and the 2FA code, effectively rendering the additional security layer moot.
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
The lack of encryption in SMS messages also renders them susceptible to interception by hackers, further undermining the security of this 2FA method.
From Salon • Sep. 6, 2024
Most common services, like Google and Facebook, now support 2FA.
From Salon • Dec. 11, 2016
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.
