二 段 階 認 証(にだんかいにんしょう)

にだんかいにんしょう

noun

two-step verification; two-factor authentication; 2FA

1. two-factor authentication; two-step verification

a security process requiring two different forms of identification to access an account, typically a password plus a code sent to a phone

二段階認証(にだんかいにんしょう)を設定(せってい)する。

Set up two-factor authentication.

セキュリティのため二段階認証(にだんかいにんしょう)を有効(ゆうこう)にした。

I enabled two-factor authentication for security.

銀行(ぎんこう)のアプリは二段階認証(にだんかいにんしょう)が必須(ひっす)だ。

The bank app requires two-factor authentication.

The everyday term for logging in with a second check after the password, usually a code sent by SMS or shown in an authenticator app.

二要素認証(にようそにんしょう): two-factor authentication in the strict sense: the two checks must be different kinds of proof (something you know, something you have, something you are). 二段階認証(にだんかいにんしょう) only means two steps, and in everyday use the two words are often treated as the same.
多要素認証(たようそにんしょう): multi-factor authentication

Related Words

general

Added 2026.1.27 21:31 · Revised 2026.10.11 3:34

08500/08618_nidankaininshou