Xiaolong Bai is a security researcher from Alibaba Inc. His research area includes system security and mobile security. He has published several research in Black Hat USA, Black Hat Europe, DEFCON, HITB, etc. Also, he has published papers in top academic conferences like IEEE S&P, Usenix Security, CCS, and NDSS. His research has been acknowledged by famous vendors, including Apple, Google, Facebook, Evernote, and Tencent for contribution of discovering vulnerabilities and improving the security in their products. He is also a member of the OverSky jailbreaking team, which develops private jailbreaks.