Jeff Chao is the CEO and Founder of TRAPA Security, where he leads the development of innovative Blue Team Exercise and Cyber Range solutions. His security research background includes critical vulnerability discoveries across Android systems, IoT devices, and binary applications, highlighted by his 2020 Black Hat USA presentation on Samsung Secureboot vulnerabilities. He has personally reported over 10 critical vulnerabilities to major international corporations and secured 3rd place at PWN2OWN Tokyo 2020.As a member of the HITCON CTF team with multiple second-place finishes at DEFCON CTF, Jeff has organized over 10 international CTF competitions.