二 要 素 認 証(にようそにんしょう)

にようそにんしょう

noun

two-factor authentication; 2FA

1. two-factor authentication; 2FA

A security method that requires two separate forms of verification, such as a password plus a one-time code sent to a phone.

二要素認証(にようそにんしょう)を設定(せってい)する。

to set up two-factor authentication.

This service supports two-factor authentication.

セキュリティを高(たか)めるために、二要素認証(にようそにんしょう)を有効(ゆうこう)にした。

I enabled two-factor authentication to improve security.

Composed of 二要素(にようそ) ('two factors') + 認証(にんしょう) ('authentication'). A common online-security measure that combines two independent credentials.

二段階認証(にだんかいにんしょう): two-step verification — very close in meaning and often used interchangeably

Related Words

general

Added 2026.7.19 9:19 · Revised 2026.9.2 13:02

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