二に段だん階かい認にん証しょうにだんかいにんしょうじ字FuriganaAudioMeanings1nountwo-factor authentication; 2FAcomputing›Computing term for a security process requiring two different verification methods.アカウントの安あん全ぜんのため、二に段だん階かい認にん証しょうを設せっ定ていしてください。Break this sentence down in the analyzerPlease set up two-factor authentication for your account's security.二に段だん階かい認にん証しょうでは、パスワードに加くわえてスマホに送おくられるコードが必ひつ要ようです。Break this sentence down in the analyzerWith two-factor authentication, you need a code sent to your smartphone in addition to your password.See all 7 example sentences ›