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Definitions Edit

Information system resilience is

the ability of systems to operate while under attack, even in a degraded or debilitated state, and to rapidly recover operational capabilities for essential functions after a successful attack. The concept of information system resilience can also be applied to the other classes of threats, including threats from environmental disruptions and/or human errors of omission/commission.[1]
[t]he ability of an information system to: (1) continue to operate under adverse conditions or stress, even if in a degraded or debilitated state, while maintaining essential operational capabilities; and (2) recover effectively in a timely manner.[2]

References Edit

  1. Electricity Subsector Cybersecurity Risk Management Process, at 76.
  2. NICCS, Explore Terms: A Glossary of Common Cybersecurity Terminology (full-text).

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