Carl is a security consultant within the Cisco Security Solutions (CSS) group, and has spent the majority of his carrier focused on offensive security through various forms. While largely an attack strategist, he has experience within a plethora of technical fields that include but are not limited to physical, network, desktop application, Web application, social engineering, wireless, and red team penetration testing. While much of his work in these areas is still hidden from the world he has presented research at information security events on 5 continents.