Network Security
Course Index
40 Lessons · 4 Levels
Secure enterprise networks from real-world threats — firewalls, IDS/IPS, zero trust, network attacks, VPNs, cloud network security and monitoring strategies.
40Lessons
4Levels
1Project
FreeAccess
Level I
Network Security Fundamentals
Lessons 1–10
Lesson 01
What is Network Security
Lesson 02
Network Threat Landscape
Lesson 03
OSI and TCP/IP from Security Perspective
Lesson 04
Network Attack Surface
Lesson 05
Network Security Controls
Lesson 06
Defense in Network Security
Lesson 07
Perimeter Security Concepts
Lesson 08
Internal Network Security
Lesson 09
Network Security Best Practices
Lesson 10
Network Security Career Paths
Level II
Firewalls, IDS & Secure Architecture
Lessons 11–20
Lesson 11
Firewall Fundamentals
Lesson 12
Types of Firewalls
Lesson 13
Firewall Rules and Policies
Lesson 14
Network Segmentation
Lesson 15
IDS vs IPS
Lesson 16
Intrusion Detection Techniques
Lesson 17
Secure Network Architecture
Lesson 18
Zero Trust Networking
Lesson 19
Network Security Hardening
Lesson 20
Network Security Design Checklist
Level III
Attacks, Monitoring & Defense
Lessons 21–30
Lesson 21
Network Reconnaissance Attacks
Lesson 22
ARP Spoofing and Poisoning
Lesson 23
DNS Attacks
Lesson 24
DHCP Attacks
Lesson 25
Network Sniffing Techniques
Lesson 26
Man-in-the-Middle Attacks
Lesson 27
Denial of Service Attacks
Lesson 28
Network Traffic Analysis
Lesson 29
Network Security Monitoring
Lesson 30
Incident Detection Basics
Level IV
VPN, Cloud & Real-World Practice
Lessons 31–40
Lesson 31
VPN Concepts and Types
Lesson 32
IPsec and SSL VPNs
Lesson 33
Wireless Network Security
Lesson 34
Secure Remote Access
Lesson 35
Network Logging and Auditing
Lesson 36
Cloud Network Security Basics
Lesson 37
Network Security Automation
Lesson 38
Network Troubleshooting
Lesson 39
Network Security Best Practices Checklist
Lesson 40
Mini Project – Secure Network Design