After several years research in the field of iOS/OS X security and linux kernel, currently, Yubin Fu(Qoobee @fuyubin1993) is now an intern security researcher. As a member of Blue-lotus CTF team, he participated in DEF CON 23 Final in Las Vegas and Codegate 2015 Final in Seoul. In the same year, he partnered to develop PingPong Root, and co-authored a paper about Android Root which is now published at USENIX WOOT. In 2016, Yubin took part in Pwn2Own and clinched 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 as Keen Team), lives in Shanghai, China.