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Hardening for cyber security — generated by Stable Diffusion XL v1.0 2024 9 (WBS) 2024 9 — 2024-06 – p.1/11

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https://speakerdeck.com/ks91/collections/cyber-security-2024-summer 2024 9 — 2024-06 – p.2/11

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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 9 — 2024-06 – p.3/11

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TCP/IP ( ) TCP 2024 9 — 2024-06 – p.4/11

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IP over Everything / Everything over IP ( ) 2024 9 — 2024-06 – p.5/11

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80 (HTTP OK ) 2024 9 — 2024-06 – p.6/11

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/ 2 : : 2024 9 — 2024-06 – p.7/11

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( ) (X window) (SMTP/POP) (NNTP) (FTP) (IRC) (gopher) Gopher Go 2024 9 — 2024-06 – p.8/11

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( ) ⇓ WWW : World Wide Web → (by Ted Nelson, 1963, 1974) (web) 2024 9 — 2024-06 – p.9/11

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World Wide Web ( ) 2024 9 — 2024-06 – p.10/11

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2024 9 — 2024-06 – p.11/11