Mark Reardon
As Chief Information Security Officer, Mark Reardon leads GTA's efforts in information security architecture, policies, services, assessment, investigation and coordination.
Reardon has 28 years of experience in IT leadership focused on information security and networking technology. Prior to joining GTA in 2005, he served as Director of Information Security Engineering for Cybertrust, Inc. He directed the development of global information security management software and, following a merger, led the integration of several security and data systems on two continents. Reardon also served as Senior Information Security Consultant for Norfolk Southern Railroad, where he led compliance efforts for IT systems based on corporate standards and industry best practices. At S1 Corporation, Mr. Reardon managed the development, implementation and operation of secure applications for the online financial industry.
He holds a degree in applied mathematics from California State University at Fullerton and is a Certified Information Systems Security Professional (CISSP).
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