Hacking always begins with research. You will learn how to use open-source intelligence (OSINT) to map out a target's digital footprint. Courses will teach you to find public data, look up domain registrations, and identify employee emails safely. Network Scanning and Enumeration

Before you can hack, you must be comfortable with the command line. OverTheWire is a series of "wargames" that teach security concepts by having you hack into the game's own server.

Information gathering (OSINT), scanning and enumeration, exploitation, scripting with Python, and writing professional penetration testing reports.

A structured, high-production-value course that covers cybersecurity basics, threat defense, and ethical hacking fundamentals. What’s Free:

Free courses are generally excellent for and skill testing , but they rarely provide the industry-recognized certifications (like CEH or OSCP) required for professional jobs without a paid exam fee. 🏆 Top Recommended Platforms

Depending on how much time you can dedicate per week, it can take anywhere from 6 to 18 months of consistent, focused effort to go from absolute beginner to having the skills for an entry-level position. Constancy is key, but it's okay to take breaks to avoid burnout.

: A free resource providing downloadable virtual machines designed to be exploited. It is excellent preparation for certifications like the OSCP.

Major universities like the University of Maryland, New York University, and corporations like IBM offer cybersecurity courses on these platforms. You can enroll in "Audit" mode to access all lecture videos and readings for free. Conceptual understanding and foundational theory.

Best for those who want structured, video-based learning from universities or companies like Google and IBM.

This guide breaks down the top free training platforms, essential skills you will learn, and how to turn free education into a high-paying career. Top Platforms Offering Free Ethical Hacking Courses

Do not scan public websites or attempt to hack your neighbor's Wi-Fi network.

Access to "Premium" paths (like the full Offensive Security path) requires a subscription. Cisco "Ethical Hacker" Path