Min (Spark) Zheng is a security expert in Alibaba Orion Security Lab. He received his Ph.D. degree in the CSE department of the CUHK. His research focuses on malware analysis, smartphone (Android & iOS) security and risk control. Before receiving Alibaba A-Star offer award in 2015, he worked in FireEye, Baidu and Tencent. He won the 'best security researcher' award in FIT 2016 for detecting the iOS/macOS vulnerabilities, XcodeGhost virus and WormHole RCE vulnerability. He is a member of the OverSky team for iOS security tool development. He gave talks at RSA, BlackHat, DEFCON, CanSecWest, HITB, etc.