Founder Red Siege
Tim Medin is the founder of Red Siege, a company focused to adversary emulation and penetration testing. He is also the SANS MSISE Program Director, the coauthor of multiple SANS courses, and a member of the IANS Faculty. Through the course of his career, Tim has performed penetration tests on a wide range of organizations and technologies. He gained information security experience in a variety of industries including previous positions in control systems, higher education, financial services, and manufacturing. Tim is an experienced international speaker, having presented to a organizations around the world. Tim is the creator of the Kerberoasting, a technique to extract Kerberos tickets to offline attack the passwords of enterprise service accounts.