Free Online

Defensive Security Courses and Certifications

Master defensive security techniques, threat detection, and incident response to protect systems from cyberattacks. Learn through hands-on tutorials on YouTube, Cybrary, and Study.com, covering Security Onion, Raspberry Pi deployments, and cloud defense strategies for building robust security frameworks.

66 courses
Showing 66 courses
Filter by
Filters
  1. Level
  2. Duration
  3. Language
    • YouTube
    • 26 minutes
    • On-Demand
    • Conference Talk
    • YouTube
    • 40 minutes
    • On-Demand
    • Conference Talk
    • YouTube
    • 56 minutes
    • On-Demand
    • Conference Talk
    • YouTube
    • 4 hours 1 minute
    • On-Demand
    • Free Video
    • YouTube
    • 40 minutes
    • On-Demand
    • Conference Talk
    • YouTube
    • 1 hour 5 minutes
    • On-Demand
    • Free Video
    • YouTube
    • 50 minutes
    • On-Demand
    • Conference Talk

Never Stop Learning.

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

Someone learning on their laptop while sitting on the floor.