Andrew Zeliff is a Research Engineer at Georgia Tech Research Institute (GTRI), in the CIPHER Lab, Software Assurance Branch.  His interests revolve around building secure, hardened systems and software, often with a focus on attack surface reduction and secure-by-design concepts.  Some of his recent work includes building a hardened, secure alternate-data-path solution for a real-time system and developing tools to assess maritime and aviation systems protocol implementations. Mr. Zeliff possesses a MS in Computer Engineering from Syracuse University and a BS in Computer Science from Embry-Riddle Aeronautical University. Prior to GTRI, Mr. Zeliff worked with the US Air Force in many capacities, including as a civilian at the Air Force Research Laboratory.  There, Mr. Zeliff worked on numerous projects in the general field of Mission Assurance spanning across the Air, Space, and Cyberspace domains.