With more than 20 years of experience, Thomas has a unique view on enterprise security with experience across multiple domains from policy and risk management, secure development and enterprise incident response and forensics. Thomas has held roles varying from a security architect for a large fortune 500 company to consultant for both industry vendors and consulting organizations. Thomas currently plays a lead role as the principal researcher for threat analysis and malicious activity at Digital Guardian (when he is not organizing and preparing the next Security B-Sides London event).