Guide to Computer Network Security 4th edition

Abstract

his book provides an introduction to the principles, technologies, and practices used to secure computer networks and protect information systems against cyber threats. It examines common network security risks, including unauthorized access, malicious attacks, data theft, and vulnerabilities in network infrastructure. The book explores security mechanisms such as encryption, authentication, access control, firewalls, intrusion detection, and other protective measures used to maintain the confidentiality, integrity, and availability of information. It also addresses security policies, risk management, and ethical and legal considerations in computer security. The book is a useful resource for students, lecturers, IT professionals, and researchers seeking to understand computer network security concepts and the methods used to safeguard digital communication and networked systems.