Breach
nounverified·updated May 18, 2026
The loss of control, compromise, unauthorized disclosure, unauthorized acquisition, or any similar occurrence where: a person other than an authorized user accesses or potentially accesses personally identifiable information; or an authorized user accesses personally identifiable information for another than authorized purpose.
polysemousInformation Technology Laboratory Computer Security Resource Center Glossary
Senses
Wordset Dictionary
a failure to perform some promised act or obligation
Wordset Dictionary
a personal or social separation, as between opposing factions
Wordset Dictionary
an opening (especially a gap in a dike or fortification)
Classifications
Entity Type
Event95%llm-generatedllm:claude-haiku-4-5
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Sensitivity
—90%llm-generatedllm:claude-haiku-4-5
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Information Class
—95%llm-generatedllm:claude-haiku-4-5
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Variants
- synonym
- breakfalling outriftruptureseverance
- plural
- Breaches
- possessive
- Breach's
- pluralpossessive
- Breaches'