Principal, Denim GroupJohn Dickson is a security professional, entrepreneur and Principal at Denim Group, Ltd. He has 20+ years experience in the security field, including hands-on experience with intrusion detection systems, network security and application security in commercial and public sectors. In his current position as a Principal at Denim Group, he helps executives and Chief Security Officers (CSOs) of Fortune 500 companies and government organizations launch and expand application security initiatives. Dickson is a former United States Air Force officer who served in the Air Force Information Warfare Center and was a member of the Air Force Computer Emergency Response Team. He has previously been in key roles at Trident Data Systems, KPMG and SecureLogix Corporation.