Learn how to build your own FREE cybersecurity lab for ethical hacking, penetration testing, and blue team defense—at home, with zero cost. This step-by-step guide walks you through installing VirtualBox, Kali Linux, Metasploitable2, and DVWA, all isolated from your real network. *What you’ll master:* Virtual machine setup (Windows, Mac, Linux) Safe hacking environments Top tools: Nmap, Wireshark, Metasploit, Burp Suite Protect your real system Snapshots for easy rollback 🎓 Practice safe, legal cybersecurity skills BEFORE touching real systems. Ideal for beginners, students, and aspiring red or blue teamers! 🔗 Resources Mentioned (all free): VirtualBox: virtualbox.org Kali Linux: kali.org Metasploitable2, DVWA (GitHub links) 💬 Ask questions below—I reply to every comment! Like & Subscribe for more practical hacking tutorials. #cybersecurity #ethicalhacking #cyberlab #beginnerfriendly #redteam #blueteam #infosec #hackinglab