Ke Liu is a senior security researcher from Tencent Security Xuanwu Lab. He has found and reported nearly 400 vulnerabilities which affect Adobe, Apple, Google, Microsoft, etc. He’s one of the nominees of the Pwnie Awards in 2017. He’s in MSRC Top 100 list from 2016 to 2018. He once spoke at Black Hat Asia 2017, Google ESCAL8 2019, and ZeroNights 2019. He successfully pwned Adobe Reader at Tianfu Cup in both 2018 and 2019. He has found nearly 150 vulnerabilities independently in the world's most popular PDF readers including Adobe Reader, Foxit Reader, Google Chrome, Windows PDF Library, and OS X Preview.