Michael J. Graven is a director at MANDIANT. Like all MANDIANT consultants, he chases network bad guys through Fortune 500 companies, governments, and financial institutions. Michael earned degrees at Northwestern University and Stanford University. He has worked on internetworks and system security since 1989, working in environments as large as AT&T and Netscape to as small as twenty-person startups. He is a native Californian and a snowboarder, but he does not surf.