Free Cybersecurity Courses on Udemy — Ethical Hacking & More
The global cybersecurity workforce gap has exceeded 3.4 million unfilled positions, according to the ISC2 Cybersecurity Workforce Study. Entry-level cybersecurity roles average $85,000 per year in the US, with senior roles exceeding $150,000.
The Cybersecurity Skills Gap
- 3.4 million unfilled cybersecurity positions globally
- Ransomware attacks increased 150% year-over-year
- Every organization — regardless of size — needs security professionals
Top Free Cybersecurity Courses on Udemy
- The Complete Ethical Hacking Course — Learn penetration testing legally
- Cybersecurity for Beginners — Foundational concepts, threats, and defenses
- Kali Linux Fundamentals — Master the most popular security testing OS
- Network Security Masterclass — Firewalls, VPNs, intrusion detection
Free Certification Prep Courses
- CompTIA Security+ Exam Prep
- Certified Ethical Hacker (CEH) Study Guide
- CISSP Certification Preparation
FAQ
Is ethical hacking legal?
Ethical hacking (also called penetration testing) is legal when performed with explicit written permission from the system owner. Courses on Udemy teach techniques using legal lab environments.

