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Welcome to my GitHub space.
I’m a Web Security Specialist and Backend Developer, and an active member of the FuzzRaiders cybersecurity team, focused on real-world web application security and offensive testing.

• 🛡️ Web Security Specialist — FuzzRaiders Team
  I work on identifying, exploiting, and understanding web application vulnerabilities as part of a structured offensive security team.

• 🛠️ Backend Developer
  I build clean, efficient, and secure backend systems using Node.js, APIs, authentication flows, and databases.

• 🕵️‍♂️ Pentester / CTF Player
  Actively practicing web exploitation through CTFs, labs, and hands-on testing to strengthen real-world methodology.

• 📚 Continuous Learner
  Focused on mastering both secure development and offensive web security.

• Web Application Security
  XSS, IDOR, SQLi, SSTI, authentication flaws, access control issues, and business logic bugs.

• Backend Systems
  Auth systems, REST APIs, file handling, database design, and secure app architecture.

• CTF Writeups & Methodology
  Documented challenges, notes, and repeatable testing approaches.

• Security Automation
  Scripts and tools to speed up recon, enumeration, and testing workflows.

Check my pinned repositories for:

• 🧩 CTF Writeups
• 🔐 Web Security & Bug Bounty Tools
• ⚙️ Backend & Full-Stack Projects
• 🛠️ Security Scripts and Experiments

• Advanced Node.js & Express
• Web Application Security (Offensive)
• Authentication & Authorization Systems
• Linux Privilege Escalation & OSCP-style Labs

• 🐦 Twitter: Mo__liiga
• 🧠 LinkedIn: Mahamud Abdirahman
• 💻 GitHub: @Z4BO

• I approach vulnerabilities like puzzles — logic first, exploit second.
• I care about methodology, not just flags.
• If it’s a web app, I want to break it and understand why it broke.

Build securely. Break responsibly. Learn constantly.
— Z4B0