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About the session
Modern digital secondary system (DSS) technology uses digital communications among relays and remote digital sensors over high-speed fiber connections to perform fault detection and trip circuit control. A cyber vulnerability assessment of each proposed communications design is essential to evaluate the energy control system’s reliability. Many cybersecurity technologies from numerous industries are promoted for use in DSS communications with unknown impacts. This paper introduces appropriate metrics and a cyber vulnerability assessment framework, using the attack tree method, to compare the cyber risk of available technologies to determine the dependability and security of digital control and protective trip circuits.
