Introduction to Network Security - Cyber Security Course 2025
Your network is the new battlefield. ⚔️ Now that you understand how networks work and how to build them, it's time to learn how to defend them. This video is your essential introduction to Network Security, where we translate theory into powerful defensive strategies used by professionals to stop cyber attacks before they happen.
In this video, you will learn:
• The Core Goals of Network Security: Confidentiality, Integrity, and Availability (CIA) in action.
• Defense in Depth: Why a firewall alone is never enough.
• Common Network Attacks you will face (DDoS, Man-in-the-Middle, Port Scanning…
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Chapters (10)
The Network as a Digital Battlefield
1:20
Beyond the Firewall: What is Network Security?
2:45
The CIA Triad: The Foundation of All Security
4:30
Common Network Threats & Attack Vectors (DDoS, MITM)
7:10
Defense in Depth: Building Layered Security
9:05
Firewalls Explained (Packet Filtering, Stateful Inspection)
11:40
Intrusion Detection Systems (IDS) vs. Intrusion Prevention Systems (IPS)
14:15
The Role of VPNs in Secure Communication
16:00
Adopting a Zero-Trust Architecture Mindset
17:30
Your Roadmap to Becoming a Network Defender
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