Dave Shackleford is the founder and principal consultant with Voodoo Security, as well as a SANS analyst, instructor, and course author and GIAC technical director. He has consulted with hundreds of organizations in the areas of security, regulatory compliance, and network architecture and engineering. He is a VMware vExpert and has extensive experience designing and configuring secure virtualized infrastructures. He has previously worked as CSO for Configuresoft, CTO for the Center for Internet Security, and as a security architect, analyst, and manager for several Fortune 500 companies. Dave is the co-author of Hands-On Information Security from Course Technology as well as the "Managing Incident Response" chapter in the Course Technology book Readings and Cases in the Management of Information Security. Dave has co-authored the first published course on virtualization security for the SANS Institute. Dave currently serves on the board of directors at the Technology Association of Georgia's Information Security Society and the SANS Technology Institute.