Wei-Chieh Chao is a security researcher of the Research Team of CyCraft. He focuses on research on Sandbox Technology and Malware Analysis. He graduated from National Taiwan University with master degree in Cyber Security. He was a speaker of HITCON, CodeBlue, IEEE DSC, and SECCON. In addition, he is also a member of the BambooFox CTF team at NCTU and has participated in several CTFs, and won 12th, 2nd in DEFCON 26, 27 with BFS, BFKinesiS CTF team. He also completed the Flareon9 reverse engineering challenge in 2022.