Ten years ago, if you wanted to become a penetration tester or an ethical hacker, you generally had two paths: a expensive university degree in Information Security or a costly boot camp that set you back several thousand dollars.
Review: Best for those who want structured, video-based learning from universities or companies like Google and IBM.
Offensive Security – Metasploit Unleashed: The most in-depth free guide for the Metasploit Framework, provided by the creators of the OSCP certification. online ethical hacking course free
Disclaimer: Always ensure you have written permission before testing any network or system that you do not own. Unauthorized hacking is a crime, regardless of your intent.
What you’ll get (Free):
Access to "Premium" paths (like the full Offensive Security path) requires a subscription. Cisco "Ethical Hacker" Path
Networking Fundamentals: Understanding IP addresses, ports, and protocols like TCP/IP. The Zero-Dollar Degree: Why the Best Ethical Hacking
Here is a review of the top free platforms for learning ethical hacking: TryHackMe (Free Tier)