Intrusion
Intrusion: A security event, or a combination of multiple security events, that constitutes a security incident in which an intruder gains, or attempts to…
Also known as: Penetration
Definition
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.
Alternative Definitions
- Definition 2
A computer system compromise, in which an intruder gains, or attempts to gain, access to a system or system resource without having authorization to do so.
- Definition 3
An unauthorized act of bypassing the security mechanisms of a network or information system.
- Definition 4
Unauthorized act of bypassing the security mechanisms of a system. (CNSSI-4009) (NISTIR)
- Definition 5
A computer system or network compromise; may describe a broad range of activities used to support cyber attacks, cyber influence, or cyber espionage. See also: Compromise, Penetration.