multi-factor authentication
noun/ˌmʌlti fæktər ɔːθentɪˈkeɪʃn/
/ˌmʌlti fæktər ɔːθentɪˈkeɪʃn/, /ˌmʌltaɪ fæktər ɔːθentɪˈkeɪʃn/
(abbreviation MFA)
[uncountable]- a method of checking the identity of digital users that involves checking two different proofs of identity before a user is granted access to a website or app
- For security reasons it is important to set up multi-factor authentication.
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multi-factor authentication