SERC TALKS: “Can We Assure Resilience of Cyber-Physical Systems Using Model-Based Systems Engineering?”

Abstract

Increasing complexity and interconnectedness of today’s cyber-physical systems make them more prone to attack from outside adversaries as well as disruption from internal failures. Systems engineering methods, processes and tools for ensuring the safety, reliability, and security of these systems remain stovepiped by discipline and rooted in linear cause-effect relationships that are ineffective given complexity of currrent systems and threats. Today’s systems need resilience strategies that ensure safe and secure control of system behavior and availability strategies supporting mission-level needs. SERC research in Trusted Systems introduced the concept of “System Aware” resilience strategies in 2016, combining system behavioral monitoring with design of resilience modes that are enacted by behavioral anomalies. That research continues today with the development of a standard Cyber-Security Requirements Methodology (CSRM) combined with a standard Mission Aware model-based systems engineering meta-model, providing a structured approach to design in assurance in all stages of system development. This presentation will provide a history of SERC Mission Aware research, current work to standardize assurance design in MBSE tools, and a discussion of opportunities for future research. The presentation will include a demonstration of a mission aware meta-model for an example complex system-of system.

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