Free Online

Network Security Courses and Certifications

Protect networks from cyber threats by mastering firewalls, intrusion detection, and vulnerability assessment using tools like Wireshark, Snort, and Cisco security solutions. Build expertise through hands-on courses on edX, Udemy, and Coursera, covering everything from security fundamentals to ethical hacking techniques.

5,499 courses
Related Subjects
  1. Ethical Hacking Courses
  2. Cybersecurity Courses
  3. CompTIA Network+ (Plus) Courses
  4. Cisco Courses
  5. Penetration Testing Courses
  6. Information Technology Courses
  7. CompTIA Security+ (Plus) Courses
  8. Wireshark Courses
Best Courses Guides

7 Best Network Security Courses in 2026

Master Network Security: protect systems, analyze traffic, configure firewalls, VPNs, and IDS/IPS, and design secure network architectures.

Read the Guide

  1. Cisco Network Security Master Class
  2. IBM

    Computer Networks and Network Security

  3. Data-Driven Network Security Essentials

  4. Cisco Network Security: Core Security Concepts

  5. Learning Cryptography and Network Security

  6. Introduction to Computer Networking - Beginner Crash Course

  7. Bluetooth & BLE: Deep Dive into Protocols and Security

All Network Security Courses

Showing 5,499 courses
Filter by
Filters
  2. Level
  3. Duration
  4. Language
    • YouTube
    • 3 hours 17 minutes
    • On-Demand
    • Free Video
    • Udemy
    • 3 hours 30 minutes
    • On-Demand
    • Paid Course
    • Coursera
    • 22 hours 36 minutes
    • On-Demand
    • Paid Course
    • Udemy
    • 3 hours 49 minutes
    • On-Demand
    • Paid Course
    • Udemy
    • 13 hours 49 minutes
    • On-Demand
    • Paid Course
    • YouTube
    • 1 hour 14 minutes
    • On-Demand
    • Free Online Course
    • Udemy
    • 1 day 7 hours 11 minutes
    • On-Demand
    • Paid Course

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Sign up for free
Someone learning on their laptop while sitting on the floor.