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Hardening for cyber security — generated by Stable Diffusion XL v1.0 2024 9-10 (WBS) 2024 9-10 — 2024-07-08 – p.1/29

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https://speakerdeck.com/ks91/collections/cyber-security-2024-summer 2024 9-10 — 2024-07-08 – p.2/29

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( ) 1 6 10 (1) • 2 6 10 (2) • 3 6 17 • 4 6 17 • 5 6 24 I ( ) • 6 6 24 I ( ) • 7 7 1 • 8 7 1 • 9 7 8 • 10 7 8 • 11 7 15 II ( ) 12 7 15 II ( ) 13 7 22 14 7 22 W-IOI / ( ) 2024 9-10 — 2024-07-08 – p.3/29

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( 20 ) 1 • 2 • 3 • 4 (TCP/IP ) • 5 • 6 • 7 • 8 • 9 • 10 World Wide Web • 11 Web API • 12 • 13 git GitHub • 14 • SSH • (6/24 ) / (2 ) OK / 2024 9-10 — 2024-07-08 – p.4/29

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( ) + I ( ) + 2024 9-10 — 2024-07-08 – p.5/29

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7 6 2013 Winny P2P P2P 2024 9-10 — 2024-07-08 – p.6/29

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(1) Winny 7 (2020) Winny WIDE ( ) 2024 9-10 — 2024-07-08 – p.7/29

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+ + 2024 9-10 — 2024-07-08 – p.8/29

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2024 9-10 — 2024-07-08 – p.9/29

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4. (1) ( ) (2) 2024 7 4 ( ) 23:59 JST Waseda Moodle (Q & A ) 2024 9-10 — 2024-07-08 – p.10/29

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. . . . . . 12 9 (7/6( ) ) ( ) ( ) National Treasure 2 / (zansin) / 2 / / ( ) / @Deep / ( . . . ) 4.0 ( Live Free or Die Hard) 2024 9-10 — 2024-07-08 – p.11/29

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A tor john ⇒ Wireshark . . . ( (or ) ) LAN HTTPS VPN nmap . . . ( ) Hydra . . . sqlmap . . . SQL metasploit . . . nessus . . . . . . 2024 9-10 — 2024-07-08 – p.12/29

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M ⇒ ( ) 2024 9-10 — 2024-07-08 – p.13/29

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(1) : ( ) 3 (14 ) . . . TV 2024 9-10 — 2024-07-08 – p.14/29

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regreSSHion 2023 2024 9-10 — 2024-07-08 – p.15/29

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regreSSHion CVE-2024-6387 (2024 7 1 ) ( X ← ) OpenSSH (<4.4p1, ≥8.5p1 <9.8p1) root CVE-2006-5051 2020 (regression) ^^; OK 2024 9-10 — 2024-07-08 – p.16/29

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(2) IPA ( ) 10 2023 (2023) https://www.ipa.go.jp/security/10threats/10threats2023.html 1 2 3 4 5 6 ( ) 7 8 9 10 ( ) NEW! 2024 9-10 — 2024-07-08 – p.17/29

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( bitcoin) ( ) ( ← ) ( ) ← ( ) ← ( ) DoS (Denial of Service; ) ( ) ← ( ) ← ↑ 2024 9-10 — 2024-07-08 – p.18/29

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(3) (13) (2014) (warfare) 2024 9-10 — 2024-07-08 – p.19/29

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(warfare) . . . . . . ⇒ ( ) 2024 9-10 — 2024-07-08 – p.20/29

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24 365 2024 9-10 — 2024-07-08 – p.21/29

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. . . ( ) (sabotage) (espionage) (subversion) 3 . . . 2024 9-10 — 2024-07-08 – p.22/29

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– AI LLM( ) C&C 2024 9-10 — 2024-07-08 – p.23/29

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AI 2024 9-10 — 2024-07-08 – p.24/29

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(2) : OvenAI OvenAI OvenAI 2024 9-10 — 2024-07-08 – p.25/29

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(3) : OvenAI OvenAI OvenAI 2024 9-10 — 2024-07-08 – p.26/29

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2024 9-10 — 2024-07-08 – p.27/29

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5. (1) ( ) (2) I OvenAI CEO 2024 7 11 ( ) 23:59 JST Waseda Moodle (Q & A ) 2024 9-10 — 2024-07-08 – p.28/29

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2024 9-10 — 2024-07-08 – p.29/29