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パスワード／パスフレーズと認証 / Passwords, Passphrases and Au...

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Avatar for Kenji Saito Kenji Saito PRO
June 07, 2026
Technology
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パスワード／パスフレーズと認証 / Passwords, Passphrases and Authentication

早稲田大学大学院経営管理研究科「サイバーセキュリティ」2026夏のオンデマンド教材 第12回で使用したスライドです。

Avatar for Kenji Saito

Kenji Saito PRO

June 07, 2026

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Transcript

  1. Generated by Stable Image Core 2026 12 (WBS : )

    12 — 2026-06 – p.1/10

  2. https://speakerdeck.com/ks91/collections/cyber-security-2026-summer 12 — 2026-06 – p.2/10

  3. ( 20 ) 1 • 2 • 3 • 4

    (TCP/IP ) • 5 • 6 • 7 • 8 • 9 • 10 World Wide Web • 11 Web API • 12 • 13 git GitHub 14 / / OK / 12 — 2026-06 – p.3/10

  4. ← 12 — 2026-06 – p.4/10

  5. ( ) (1) : ( ) ( ) (2) :

    ( ) ( ) (passkey) ( ) ( ) 12 — 2026-06 – p.5/10

  6. → ( : “Correct Horse Battery Staple”) ↑ ( )

    ( ) 12 — 2026-06 – p.6/10

  7. . . . ( 2018 3 ) 1 ( )

    ( ) 12 — 2026-06 – p.7/10

  8. 3 2 ( ) (2 ) . . . .

    . . . . . (1) : (2) : (3) : (4) : IC ( ) (2 ) . . . ( ) 12 — 2026-06 – p.8/10

  9. https://security-portal.nisc.go.jp/guidance/handbook.html ← & weakest link https://security-portal.nisc.go.jp/index.html 12 — 2026-06 –

    p.9/10

  10. 12 — 2026-06 – p.10/10