1.
multi-factor authentication; MFA
A login method that requires two or more independent kinds of proof — a password, a code sent to a phone, a fingerprint — before granting access. Now standard on banking and workplace systems.
Often abbreviated MFA in Japanese technical writing as well. 二要素認証 (two-factor authentication, 2FA) is the common special case.
Common collocations
- 多要素認証を導入する: to introduce multi-factor authentication
- 多要素認証を有効にする: to enable multi-factor authentication
- 多要素認証が必須: multi-factor authentication is required