Min (Spark) Zheng (twitter@SparkZheng, github@zhengmin1989) 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, system design and implementation. Before receiving Alibaba A-Star offer award in 2015, he worked in FireEye, Baidu and Tencent. He was the champion of GeekPwn 2014 and AliCTF 2015. 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 private jailbreaking development. He presented his research in DEF CON, HITB, BlackHat, RUXCON, etc. Twitter: @SparkZheng