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Computer Security Resource Center

Computer Security
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information system resilience

Abbreviation(s) and Synonym(s):

Resilience

Definition(s):

  The ability of an information system to continue to: (i) operate under adverse conditions or stress, even if in a degraded or debilitated state, while maintaining essential operational capabilities; and (ii) recover to an effective operational posture in a time frame consistent with mission needs.
Source(s):
NIST SP 800-53 Rev. 4 under Information System Resilience
CNSSI 4009-2015 (NIST SP 800-39)
NIST SP 800-39 under Information System Resilience

  Official responsible for the overall procurement, development, integration, modification, or operation and maintenance of an information system.
Source(s):
NIST SP 800-53 Rev. 4 under Information System Resilience

  The ability of an information system to continue to operate while under attack, even if in a degraded or debilitated state, and to rapidly recover operational capabilities for essential functions after a successful attack.
Source(s):
NIST SP 800-30 Rev. 1 under Information System Resilience

  See Information System Resilience.
Source(s):
NIST SP 800-39 under Resilience
NIST SP 800-53 Rev. 4 under Resilience

  The ability to continue to: (i) operate under adverse conditions or stress, even if in a degraded or debilitated state, while maintaining essential operational capabilities; and (ii) recover to an effective operational posture in a time frame consistent with mission needs.
Source(s):
NIST SP 800-137 under Resilience (NIST SP 800-39 - Adapted)

  The ability to quickly adapt and recover from any known or unknown changes to the environment through holistic implementation of risk management, contingency, and continuity planning.
Source(s):
NIST SP 800-34 Rev. 1 under Resilience

  The ability to reduce the magnitude and/or duration of disruptive events to critical infrastructure. The effectiveness of a resilient infrastructure or enterprise depends upon its ability to anticipate, absorb, adapt to, and/or rapidly recover from a potentially disruptive event.
Source(s):
NISTIR 8074 Vol. 2 under Resilience (Critical Infrastructure Resilience Final Report and Recommendations)

  can also be defined as the adaptive capability of an organization in a complex and changing environment.
Source(s):
NISTIR 8074 Vol. 2 under Resilience (ASIS SPC.1-2009)