Stephen T. Walker

Stephen T. Walker, Computer Security Pioneer dies at 72. Steve Walker of Glenwood, Maryland passed away on June 26, 2016. Mr. Walker began his career in the US Government at NSA, DARPA and the Pentagon. He was a member of a team that developed the ARPAnet, the breakthrough packet switching system that evolved into the Internet. He is nationally recognized for his pioneering work on the DoD Computer Security Initiative, establishment of the National Computer Security Center and the Defense Data Network. After 22 years of Government service, he founded Trusted Information Systems. This company became one of the earliest and most important computer security firms - producing secure operating systems, cryptographic solutions, and pioneering computer firewalls. After TIS was sold, Steve founded Steve Walker and Associates to invest in and mentor other entrepreneurs. Mr. Walker received the Secretary of Defense Meritorious Civilian Service Award and the first National Computer System Security Award. He was a member of Board of the Maryland Technology Development Corporation and the Greater Baltimore Technology Council as well as many private company Boards of Directors and several university Boards of Visitors. He testified often before the U.S. Congress and was widely acknowledged as an expert and leader in information security technology and policy. Family and friends may visit on Thursday July 14 from 3-5 PM and 7-9 PM at Barranco & Sons, P.A. Severna Park Funeral Home, 495 Ritchie Highway in Severna Park. A memorial service will be held at 11 AM on Friday July 15 at Glenelg United Methodist Church, 13900 Burntwoods Road, Glenelg MD 21737. In lieu of flowers, memorial donations may be made to the Alzheimer's Association at www.alz.org. Online condolences may be made at