After several years research in the field of iOS/OS X security and linuxkernel, currently, Yubin Fu(Qoobee @fuyubin1993) is now an intern securityresearcher. As a member of Blue-lotus CTF team, he participated in DEF CON 23Final in Las Vegas and Codegate 2015 Final in Seoul. In the same year, hepartnered to develop PingPong Root, and co-authored a paper about Android Rootwhich is now published at USENIX WOOT. In 2016, Yubin took part in Pwn2Own andclinched the victory of Pwn2Own 2016 Safari target. He is also a member of"Master of Pwn" team. Now he works in KeenLab of Tencent(previously known asKeen Team), lives in Shanghai, China.