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security-relevant event

Abbreviations / Acronyms / Synonyms:

cyber incident

Definitions:

  Actions taken through the use of an information system or network that result in an actual or potentially adverse effect on an information system, network, and/or the information residing therein. See incident. See also event, security-relevant event, and intrusion.
Sources:
CNSSI 4009-2015 under cyber incident

  Actions taken through the use of an information system or network that result in an actual or potentially adverse effect on an information system, network, and/or the information residing therein.
Sources:
NIST SP 800-160 Vol. 2 Rev. 1 under cyber incident from CNSSI 4009-2015

  Any event that attempts to change the security state of the system (e.g., change access controls, change the security level of a user, change a user password).  Also, any event that attempts to violate the security policy of the system (e.g., too many logon attempts).
Sources:
NISTIR 5153 under Security Relevant Event from DoD 5200.28-STD