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Computer Security Incident

Abbreviation(s) and Synonym(s):

incident

Definition(s):

  An occurrence that results in actual or potential jeopardy to the confidentiality, integrity, or availability of an information system or the information the system processes, stores, or transmits or that constitutes a violation or imminent threat of violation of security policies, security procedures, or acceptable use policies. See cyber incident. See also event, security-relevant, and intrusion.
Source(s):
CNSSI 4009-2015 under incident from FIPS 200 - Adapted

  Anomalous or unexpected event, set of events, condition, or situation at any time during the life cycle of a project, product, service, or system.
Source(s):
NIST SP 800-160 Vol. 1 under incident from ISO/IEC/IEEE 15288

  See “incident.”
Source(s):
NIST SP 800-61 Rev. 2

  See incident.
Source(s):
CNSSI 4009-2015 under computer security incident from NISTIR 7298 Rev. 2

  An occurrence that actually or imminently jeopardizes, without lawful authority, the confidentiality, integrity, or availability of information or an information system; or constitutes a violation or imminent threat of violation of law, security policies, security procedures, or acceptable use policies.
Source(s):
NIST SP 800-171 Rev. 2 under incident from 44 U.S.C., Sec. 3552
NIST SP 800-37 Rev. 2 under incident
NIST SP 800-53 Rev. 5 under incident from PL 113-283 (FISMA)
NIST SP 800-172 under incident from 44 U.S.C., Sec. 3552

  An occurrence that actually or potentially jeopardizes, without lawful authority, the confidentiality, integrity, or availability of information or an information system; or constitutes a violation or imminent threat of violation of security policies, security procedures, or acceptable use policies.
Source(s):
NIST SP 800-128 under incident from 44 U.S.C., Sec. 3552

  An occurrence that actually or potentially jeopardizes the confidentiality, integrity, or availability of a system or the information the system processes, stores, or transmits or that constitutes a violation or imminent threat of violation of security policies, security procedures, or acceptable use policies.
Source(s):
NIST SP 800-171 Rev. 1 [Superseded] under incident from FIPS 200 - Adapted