HD is Chief Security Officer at Rapid7 and Chief Architect of Metasploit, the leading open-source penetration testing platform. HD founded the Metasploit Project in the summer of 2003 with the goal of becoming a public resource for exploit code research and development. Prior to joining Rapid7 and continuing his work on the Metasploit Framework, HD was the Director of Security Research at BreakingPoint Systems, where he focused on the content and security testing features of the BreakingPoint product line. Prior to BreakingPoint, HD spent seven years providing vulnerability assessments, leading penetration tests, and developing exploit code.