Hao Xu is co-founder of Team Pangu. He has been engaged in various cybersecurity research work for many years. In the past ten years, he mainly focused on vulnerabilities and exploitations of iOS/macOS devices. And he is the main developer of Pangu Jailbreak tools which had millions of users worldwide. Meanwhile he is a regular speaker at BlackHat USA, POC, SysCan, XCon and MOSEC. In 2020, he published the first known vulnerability of Apple SEP (named as blackbird) and showed a demo of loading arbitrary SEPOS for brut-forcing passcode.