2FA

English

Noun

2FA (uncountable)

1. (computer security) Initialism of two-factor authentication.

   Hypernym: MFA

   • 2023 February 18, Ramishah Maruf, “Twitter to charge for SMS two-factor authentication”, in CNN Business‎:

     As of 2021, only 2.6% of Twitter users had a 2FA method enabled – and of those, 74.4% used SMS authentication, a Twitter account security report said.

See also

• U2F