Definition
Network Security comprises organisational and technical measures that protect computer networks and transmitted data against unauthorised access, disruption and threats.
Human Explanation
It protects the confidentiality, integrity and availability of network communication and services.
Why it Matters
Networks underpin most modern information systems and are a primary target of attacks.
Conceptual Boundary
Network Security is part of Cybersecurity and does not cover every aspect of information or application security.
Practical Perspective
It includes architecture, segmentation, Firewalls, IDS, IPS, VPN, Access Control and traffic Monitoring.