📘 Free Cybersecurity Courses (Beginner to Advanced)

Cybersecurity learning platforms offering structured, free courses from top universities, companies, and organizations.

🔰 1–10 Beginner Courses

  1. Cisco Networking Academy - Introduction to Cybersecurity
    https://www.netacad.com/courses/cybersecurity/introduction-cybersecurity

  2. Google Cybersecurity Certificate (Audit Free via Coursera)
    https://www.coursera.org/professional-certificates/google-cybersecurity

  3. IBM Cybersecurity Fundamentals
    https://www.coursera.org/ibm-cybersecurity

  4. Microsoft Learn Security Fundamentals
    https://learn.microsoft.com/en-us/training/

  5. SANS Cyber Aces Online
    https://www.sans.org/cyber-aces/

  6. Cybrary Intro to IT & Cybersecurity
    https://www.cybrary.it

  7. TryHackMe Free Learning Path
    https://tryhackme.com/path/outline/presecurity

  8. OpenLearn Cyber Security Basics (UK Open University)
    https://www.open.edu/openlearn

  9. FutureLearn Cyber Security Intro Course
    https://www.futurelearn.com/courses/introduction-to-cyber-security

  10. edX Cybersecurity Fundamentals (Audit Mode)
    https://www.edx.org/learn/cybersecurity

🔐 11–20 Intermediate Courses

  1. OWASP Web Security Academy
    https://portswigger.net/web-security

  2. Hack The Box Academy Free Tier
    https://academy.hackthebox.com

  3. Linux Foundation Security Basics
    https://training.linuxfoundation.org

  4. Palo Alto Cybersecurity Academy
    https://paloaltonetworks.com/cyberpedia

  5. Fortinet NSE Training (Free Level)
    https://training.fortinet.com

  6. IBM Security Learning Academy
    https://www.securitylearningacademy.com

  7. MIT OpenCourseWare Security
    https://ocw.mit.edu

  8. Stanford Online Security Basics
    https://online.stanford.edu

  9. Google Cloud Security Fundamentals
    https://cloud.google.com/training

  10. AWS Security Essentials
    https://aws.amazon.com/training

🧠 21–30 Advanced Learning

  1. SANS Reading Room (Advanced Papers)
    https://www.sans.org/white-papers

  2. NIST Cybersecurity Framework
    https://www.nist.gov/cyberframework

  3. Red Team Labs (RangeForce Free Tier)
    https://www.rangeforce.com

  4. Blue Team Labs Online
    https://blueteamlabs.online

  5. Malware Traffic Analysis
    https://www.malware-traffic-analysis.net

  6. SecurityTube (Pentesting Labs)
    http://www.securitytube.net

  7. Open Security Training
    https://opensecuritytraining.info

  8. Veracode Security Labs
    https://www.veracode.com/security/

  9. Google CTF Training
    https://capturetheflag.withgoogle.com

  10. picoCTF (Beginner to Advanced CTF)
    https://picoctf.org