Hao Wang is a manager in Ernst & Young's Advanced Security Center. Hao has more than six years of Attack & Penetration testing and Cyber Investigation experience. Hao is currently responsible for leading Attack & Penetration assessments for Fortune 500 companies. Hao has utilized his experience as a lead tester on a wide array of red team and purple team assessments. Hao serves as a core technical team member for ASC, regularly contributing new hacking techniques to the team. His areas of research include advanced Active Directory attack against Microsoft ESAE, exploit development for both point of sale systems and gaming systems, and cyber threat hunting.