Cyber resilience metrics needed to meet increased threats

Cyber threats are rapidly emerging as one of the primary security concerns for the nation and global community as targeted cyber attacks can cause severe consequences to critical infrastructure and sectors of the economy. Recent calls for action, including President Obama's Executive Orders 13636 and Presidential Policy Directive 21, have brought the concept of "resilience" in the face of cyber attacks to the forefront of the nation's consciousness. In a recent special issue of Springer's journal Environment Systems & Decisions, Dr. Igor Linkov and colleagues describe a framework for understanding the concept of cyber resilience, and lay out a systematic method by which to generate resilience metrics for cyber systems.

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