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English
Noun
2FA (uncountable)
- (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.
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