I maintain this profile under an alias for public writing and experimentation. I love understanding systems by breaking them safely, questioning assumptions, and building things along the way.
- Threat modeling and secure design fundamentals
- Application and product security
- Web and API security
- CTF challenges and hands-on security labs
- Offensive experimentation and attack analysis
- Building small security tools and proof-of-concepts
- Exploring AI / LLM security and LLM-assisted workflows (learning in public)
I share writeups and learnings on Medium:
👉 Medium: https://medium.com/@chiakiichan
- Hack The Box
- CTF platforms and self-built lab environments
