TITLE:Multi-Factor Authentication (MFA) - http://aws.amazon.com/jp/iam/details/mfa/ * TOTPとHOTP [#q5bd6014] - 2要素認証のTOTPとHOTP、どちらがより安全か? -- https://blog.ohgaki.net/2fa-totp-hotp-which-is-safer - [[TOTP]] - [[HOTP]] *. [#rea7d53b] - [[GoogleAuthenticator]] * . [#idec872e] - AWSアカウントの2段階認証を設定する -- http://qiita.com/macoshita/items/06e2a2474bc8eca1a67d |