２ＦＡ

noun

two-factor authentication; 2FA

Computing term for a security process requiring two forms of identification. Often used in IT contexts.

See also: 二段階認証

• アカウントのセキュリティを高たかめるために、２ＦＡを有ゆう効こうにしてください。

  Please enable 2FA to enhance your account security.