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Computer Security Resource Center

Computer Security Resource Center

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intrusion

Abbreviation(s) and Synonym(s):

penetration

Definition(s):

  A security event, or a combination of multiple security events, that constitutes a security incident in which an intruder gains, or attempts to gain, access to a system or system resource without having authorization to do so.
Source(s):
CNSSI 4009-2015 from IETF RFC 4949 Ver 2

  See intrusion.
Source(s):
CNSSI 4009-2015 under penetration

  any set of actions that attempts to compromise the integrity, confidentiality, or availability of a resource
Source(s):
NIST SP 800-35 under Intrusion