John Dickson is an internationally recognized security leader, entrepreneur and Principal at Denim Group, Ltd. He has nearly 20 years hands-on experience in intrusion detection, network security and application security in the commercial, public and military sectors. Dickson is a popular speaker on security at industry venues including the RSA Security Conference, the SANS Institute, the Open Web Application Security Project (OWASP) and at other international security conferences. He is a sought-after security expert and regularly contributes to Dark Reading and other security publications. A Distinguished Fellow of the International Systems Security Association, he has been a Certified Information Systems Security Professional (CISSP) since 1998. As a Denim Group Principal, he helps executives and Chief Security Officers (CSO's) of Fortune 500 companies and government organizations launch and expand their critical application security initiatives.