The cybersecurity skills gap continues with 3.5 million unfilled positions globally. For beginners: CompTIA Security+ with Professor Messer’s free videos. TryHackMe and HackTheBox provide hands-on challenges. For intermediate: eLearnSecurity’s eJPT and PortSwigger’s Web Security Academy. For advanced: OSCP for penetration testing. CISSP for senior roles. GIAC certifications. Free resources: NIST cybersecurity framework, OWASP Top 10, MITRE ATT&CK. Community: DEF CON and Black Hat recordings. Our guide includes 30-day learning plans for each skill level, certification cost analysis, and career path mapping.