インシデントレスポンス演習I / Incident Response Exercise I

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Hardening for cyber security — generated by Stable Diffusion XL v1.0 2024 5-6 I (WBS) 2024 5-6 I — 2024-06-24 – p.1/26

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https://speakerdeck.com/ks91/collections/cyber-security-2024-summer 2024 5-6 I — 2024-06-24 – p.2/26

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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 5-6 I — 2024-06-24 – p.3/26

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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 • (6/24 ) / (2 ) OK / 2024 5-6 I — 2024-06-24 – p.4/26

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( ) + — ( (1), (2)) + ( (3)) 2024 5-6 I — 2024-06-24 – p.5/26

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I 2024 5-6 I — 2024-06-24 – p.6/26

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2024 5-6 I — 2024-06-24 – p.7/26

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2. OK (1) (2) 2024 6 20 ( ) 23:59 JST Waseda Moodle (Q & A ) 2024 5-6 I — 2024-06-24 – p.8/26

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. . . . . . 13 11 (21 ( ) ) ( ) . . . : , – –, , 2019, 58 , 3 , pp.168-178 2024 5-6 I — 2024-06-24 – p.9/26

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A USB X 2 ⇒ 2024 5-6 I — 2024-06-24 – p.10/26

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T PC ⇒ PC ( ) Windows : → macOS : → POSIX ( ) : ls -l 2024 5-6 I — 2024-06-24 – p.11/26

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T ⇒ ( ) 2024 5-6 I — 2024-06-24 – p.12/26

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I AI OvenAI OvenAI 10 2024 5-6 I — 2024-06-24 – p.13/26

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4 Discord ( ) ( ) 202X → @mentions 2024 6 24 ( ) ( ) ( ) ^^; 21:55 21:45 10 21:45 2024 5-6 I — 2024-06-24 – p.14/26

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AI OvenAI Generated by DALL·E 3 via ChatGPT 4o AI OvenAI OvenAI : : 850 : 40 AI 3 AI MVV Mission : Vision : AI Value : OvenAI AI E ( ) 308 100 2024 5-6 I — 2024-06-24 – p.15/26

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OvenAI “ ” ( ; ) OvenAI AI 2024 5-6 I — 2024-06-24 – p.16/26

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(NPC) AI (NPC : Non Player Character) @ / OvenAI @ceo : CEO ( ) : @coo : COO ( ) : ( ) @cto : CTO ( ) : ( ) @eng : : ( ), ( ), ( ) @cr : : @pr : OvenAI : @br : ( ) : @personnel : : @sns : W : @tv : TV : @police : ( ) : @caa : : 2024 5-6 I — 2024-06-24 – p.17/26

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(cto) (eng) – (1/n) AWS (Amazon Web Services) Amazon.com OvenAI ( ) AWS SSH (Secure Shell) OvenAI SSH AWS Tor (The Onion Routing) 2024 5-6 I — 2024-06-24 – p.18/26

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(cto) (eng) – (2/n) AI AI AI 2024 5-6 I — 2024-06-24 – p.19/26

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→ 2024 5-6 I — 2024-06-24 – p.20/26

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10 OvenAI ( ) CEO CSIRT (Computer Security Incident Response Team) 5 ( ) CSIRT Zoom (19:50∼) 5 ( ) CTO CSIRT COO “ ” 2024 5-6 I — 2024-06-24 – p.21/26

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10 20:30 10 21:45 21:55 2024 5-6 I — 2024-06-24 – p.22/26

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2024 5-6 I — 2024-06-24 – p.23/26

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3. (1) ( ) (2) 2024 6 27 ( ) 23:59 JST Waseda Moodle (Q & A ) 2024 5-6 I — 2024-06-24 – p.24/26

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(1 ) 2024 5-6 I — 2024-06-24 – p.25/26

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2024 5-6 I — 2024-06-24 – p.26/26