About Me

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Hi, I’m Felix Billieres, a Junior Penetration Tester specializing in Active Directory research and Web application security. I hold the PNPT certification and am currently preparing for the OSCP.

As a student at École 2600 🎓, I focus on deepening my knowledge in penetration testing and vulnerability research. My work extends beyond just CTFs; I actively develop exploitation tools and automate tasks to enhance efficiency during penetration tests.

My Interests

  • Active Directory Research: Exploring vulnerabilities and improving security measures.
  • Web Application Security: Identifying and mitigating risks in web applications.
  • Tool Development: Creating custom tools for exploitation and automation.
  • Bug Bounty Hunting: Engaging with real-world applications to responsibly disclose vulnerabilities.
  • LLM & Machine Learning: Investigating the intersection of AI and cybersecurity.

Get in Touch

If you notice anything in my work that seems incorrect or if you want to discuss cybersecurity, feel free to reach out! I’m always open to learning, exchanging ideas, or collaborating.


Felix Billieres
Junior Pentester | Web Security Enthusiast 🌐 | AD Researcher 🖥️ | Tool Developer 🔧
École 2600 🎓 & Phreaks2600