intrusion
nounverified·updated May 9, 2026
Unauthorized act of bypassing the security mechanisms of a system.
polysemousNISTIR 7298: Glossary of Key Information Security Terms, Revision 2
Senses
National Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexicon
An unauthorized act of bypassing the security mechanisms of a network or information system.
Wordset Dictionary
entrance by force or without permission or welcome
Wordset Dictionary
entry to another's property without right or permission
Wordset Dictionary
any entry into an area not previously occupied
Wordset Dictionary
rock produced by an intrusive process
Wordset Dictionary
the forcing of molten rock into fissures or between strata of an earlier rock formation
Classifications
Entity Type
Threat92%llm-generatedllm:claude-haiku-4-5
?unassignedlast reviewed —
Sensitivity
unclassified
Information Class
unclassified
Variants
- synonym
- encroachmentinvasionpenetrationtrespassusurpationviolation
- alternatephrasing
- Intrusion
- plural
- intrusions
- possessive
- intrusion's
- pluralpossessive
- intrusions'