Jiashui Wang(Quhe) is techleader at Ant-financial Light-Year Security Lab. His major experience includes mobile security and vulnerability hunt. He has reported several vulnerabilities in Samsung/Google/Twitter/Tencent/360 products, which were confirmed and credited in multiple advisories. In Xpwn 2017 and GeekPwn 2017, He leads the team to pwn several android devices by remote attack.