Cyber Resiliency Engineering Framework

January 2012
Topics: Critical Infrastructure Protection, Emergency Preparedness and Response, Information Security Risk Management
Deborah J. Bodeau, The MITRE Corporation
Richard D. Graubart, The MITRE Corporation
Jeffrey Picciotto, The MITRE Corporation
Rosalie McQuaid, The MITRE Corporation
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Missions, business functions, organizations, and nations are increasingly dependent on cyberspace. The need for cyber resiliency—for information and communications systems and those who depend on them to be resilient in the face of persistent, stealthy, and sophisticated attacks focused on cyber resources—is increasingly recognized. While resilience is sometimes described as an emergent property, resilience in the face of cyber threats must be engineered. Cyber resiliency engineering is the sub-discipline of mission assurance engineering which considers (i) the ways in which an evolving set of resilience practices can be applied to improve cyber resiliency, and (ii) the trade-offs associated with different strategies for applying those practices. This paper presents an initial framework for cyber resiliency engineering. The framework identifies

  • Cyber resiliency goals, objectives, and practices;
  • The threat model for cyber resiliency;
  • Architectural layers or domains to which cyber resiliency practices could be applied; and
  • Aspects of cost to consider as part of the trade-off analysis for alternative strategies and implementations.

This framework provides a way to structure discussions and analyses of cyber resiliency goals, objectives, practices, and costs. It also serves to motivate and characterize cyber resiliency metrics. The framework is intended to evolve as the discipline of cyber resiliency engineering matures.

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