Network security focuses on protecting computer networks and the data that flows through them. This section explains how networks are secured, how traffic is monitored, and how defensive security controls help prevent unauthorized access and attacks.
Understand the basics of network security, why it is important, and how networks are protected in modern environments.
Learn how network traffic is observed and analyzed to detect suspicious activity and security issues.
Explore common network-based threats and risks that affect computer networks and connected devices.
Learn how firewalls and intrusion detection systems work together to protect networks from unauthorized access.