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Hardening for cyber security — generated by Stable Diffusion XL v1.0 2024 8 (WBS) 2024 8 — 2024-06 – p.1/9

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https://speakerdeck.com/ks91/collections/cyber-security-2024-summer 2024 8 — 2024-06 – p.2/9

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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 8 — 2024-06 – p.3/9

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2024 8 — 2024-06 – p.4/9

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(RSA ) RSA (RSA : Rivest, Shamir, Adleman) . . . . . . ECDSA ( DSA : Digital Signature Algorithm) - 2024 8 — 2024-06 – p.5/9

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( ) < , > ← ( ) ← : < , > : : < , , > : OK ( 1 ) NG ( ) 2024 8 — 2024-06 – p.6/9

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( ) ← CA (Certificate Authority; ) 2024 8 — 2024-06 – p.7/9

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CA ( ) . . . 1. 2. ( ) 3. (↑) 2024 8 — 2024-06 – p.8/9

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2024 8 — 2024-06 – p.9/9