two-factor authentication

noun

An identity and access management security method in which users provide two different authentication factors to verify themselves: first the user's password and then a (randomly generated and frequently changing) code generated by an app.

Similar
2FA
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Meanings

nountwo-factor authentication (uncountable)
  1. uncountablecomputer securityAn identity and access management security method in which users provide two different authentication factors to verify themselves: first the user's password and then a (randomly generated and frequently changing) code generated by an app.

    Synonyms: 2FA

Synonyms & antonyms

nounAn identity and access management security method in which users provide two different authentication factors to verify themselves: first the user's password and then a (randomly generated and frequently changing) code generated by an app.

Similar
2FA

Translations

Arabic مُصَادَقَة ثُنَائِيَّة
  • مُصَادَقَة ثُنَائِيَّةsecurity method
Chinese Mandarin 雙重驗證 /双重验证, 雙重認證 /双重认证
  • 雙重驗證 /双重验证security method
  • 雙重認證 /双重认证 (shuāngchóng rènzhèng)security method
  • 雙重身份認證 /双重身份认证security method
  • 雙因素身份驗證 /双因素身份验证security method
  • 雙因素驗證 /双因素验证security method
French double authentification, A2F
  • double authentificationsecurity method
  • A2Fsecurity method
German Zwei-Faktor-Authentisierung, 2FA
  • Zwei-Faktor-Authentisierungsecurity method
  • 2FAsecurity method
Icelandic tveggja þátta auðkenning
  • tveggja þátta auðkenningsecurity method
Irish fíordheimhniú dhá fhachtóir
  • fíordheimhniú dhá fhachtóirsecurity method
Spanish verificación en dos pasos, autenticación de dos factores
  • verificación en dos pasossecurity method
  • autenticación de dos factoressecurity method
Swedish tvåfaktorsautentisering
  • tvåfaktorsautentiseringsecurity method
Turkish iki aşamalı doğrulama, iki adımlı doğrulama
  • iki aşamalı doğrulamasecurity method
  • iki adımlı doğrulamasecurity method
Cite this entry
APA

two-factor authentication. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/two-factor%20authentication

MLA

“two-factor authentication.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/two-factor%20authentication. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “two-factor authentication,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/two-factor%20authentication.

Source: two-factor authentication on Wiktionary, CC BY-SA 4.0.