Hi 👋, I'm chjwoo.
Offensive Security & CTF Player
Student from Indonesia passionate about offensive security, penetration testing, and CTF competition.
About Me
I'm deeply passionate about offensive security and CTF competition. My focus areas include web exploitation, reverse engineering, mobile exploitation and learning some malware development.
Through active participation in CTF competitions, I continuously sharpen my skills in various domains including binary exploitation and forensics. I'm committed to staying at the forefront of offensive security techniques and contributing to the cybersecurity community through writeups and knowledge sharing.
CTF Teams & Communities
CCUG
Cyber Community Universitas Gunadarma
University-based CTF team focused on competitive cybersecurity challenges and internal competitions. Based on Gunadarma University
Nusahack
Cybersecurity & CTF Community
Indonesian cybersecurity community for learning, discussion, and collaborative CTF participation. From beginners to experts, everyone is welcome.
Skills & Interests
Offensive Security
- Web Exploitation
- Reverse Engineering
- Active Directory
- Mobile Exploitation
- Binary Exploitation
Development Interests
- Malware Development
- Mobile Development
- Web Development
CTF Categories
- Web Exploitation
- Reverse Engineering
- Mobile Exploitation
- Learning: Binary Exploitation