411 REFERENCE · Wiktionary
2FA
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
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en computer security en two-factor authentication.
en MFA
en Ramishah Maruf Twitter to charge for SMS two-factor authentication w:CNN Business https://www.cnn.com/2023/02/18/business/twitter-blue-two-factor-authentication 2023-02-18 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. https://web.archive.org/web/20230315024800/https://www.cnn.com/2023/02/18/business/twitter-blue-two-factor-authentication/ 15 March 2023
See also
en U2F