Free course on Coursera
Google's Foundations of Cybersecurity on Coursera is the introductory module of the Google Cybersecurity Certificate program, structured over five weeks. You'll learn threat assessment, asset protection, incident response workflows, and foundational security thinking. You get full access to videos and quizzes with the free audit option. It's designed for complete beginners with no IT background and serves as the entry point for career-changers exploring cybersecurity. Thousands of learners worldwide have started their security journey here. The limitation: it covers only the first course of the paid certificate. Advancing to intermediate topics requires enrollment in paid modules.
CybersecurityBeginner
Harvard's introduction to cybersecurity for technical and non-technical audiences. Covers threats, authentication, networking, system security, and operational security. Free to audit; certificate available via edX.
CybersecurityBeginner
TryHackMe's free Pre-Security learning path. Covers cybersecurity careers, basic networking, web fundamentals, Linux, and Windows. Designed for total beginners with no IT background.
CybersecurityBeginner
TryHackMe's flagship beginner path covering the breadth of cybersecurity: networking, web exploitation, cryptography, defensive security, and incident response. Mostly free with hands-on rooms.