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A comprehensive textbook introducing network security by examining vulnerabilities, attack methods, and mitigation strategies across the layers of the ISO/OSI network model. It explains security fundamentals, common protocols, risks at each layer, cryptographic basics, and practical defense techniques — making it suitable for students, system administrators, and IT professionals seeking a broad yet detailed foundation in network security.

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245: $a: Introduction to Network Security
245: $b:
082: $a:
100: $a: Neal Krawetz
650: $a: Computer Science
250: $a:
440: $v:
250: $b: Charles River Media
250: $c: 2007
020: $a: 9781584504641
300: $a: 583