Backup of MFA (No. 5)

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• Go to MFA.
  • 1 (2015-08-18 (Tue) 22:30:27)
  • 2 (2019-07-03 (Wed) 01:48:21)
  • 3 (2019-07-07 (Sun) 15:05:02)
  • 4 (2019-12-02 (Mon) 15:03:57)
  • 5 (2022-02-21 (Mon) 12:10:55)
  • 6 (2023-02-18 (Sat) 16:35:15)
  • 7 (2023-02-19 (Sun) 12:29:45)
  • 8 (2023-02-19 (Sun) 22:43:26)

• http://aws.amazon.com/jp/iam/details/mfa/

TOTPとHOTP

• 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: Time-based One Time Password
• HOTP: HMAC-based One-Time Password

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• GoogleAuthenticator

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• AWSアカウントの2段階認証を設定する
  • http://qiita.com/macoshita/items/06e2a2474bc8eca1a67d

• 「２段階認証」突破狙う詐欺サイトが急増　作成ツール出回る
  • https://www.sankei.com/affairs/news/191201/afr1912010010-n1.html