Mission objectives for cyber systems operating in a tactical or deployed operational environment must address not only security but also resilience. A cyber resilient architecture is engineered for completing mission objectives in the “face of persistent, stealthy, and sophisticated attacks of cyber resources (MITRE, 2011)”. Ever evolving adversaries drive the need for system architectures to protect cyber resources but enable operations during an attack to achieve mission objectives. Similar to cyber security, resilience must be engineered into all layers of system architecture at inception, baking protections for security and redundancies for resilience through all layers of the system architecture.
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