Cybersecurity Fundamentals | Session 4 | Network Security Basics

Welcome to Cybersecurity Fundamentals — Session 4: Network Security Basics. In this session, you’ll build a clear foundation for how modern networks work, where they’re most vulnerable, and the core security concepts used to protect them.
You’ll learn the essentials behind secure network design, common attack paths, and the security controls that help reduce risk across home, enterprise, and cloud environments. This is a great starting point if you’re preparing for entry-level security roles or certifications and want a practical overview of network security.
What you’ll get from this session:
Core network security concepts and terminology
Common threats and how attackers move through networks
Foundational controls (segmentation, firewalls, monitoring, access control)
How to think about protecting data in transit and network visibility
If you’re learning cybersecurity from scratch, this session will help you connect the dots between networking and security in a simple, structured way.Helo