Hoang-Vu Dang is a security engineer and researcher. He is a member (under the alias w00d) of VNSECURITY, the pioneer and leading security research group in Vietnam. He is currently a PhD candidate, major in Computer Science at UIUC. During his free time, he contributes to Security Open Source projects, write exploits and play Capture-The-Flag (CTF) with his fellows at VNSECURITY.