data breach
nounverified· unreviewed·updated Aug 30, 2026
The unauthorized movement or disclosure of sensitive information to a party, usually outside the organization, that is not authorized to have or see the information.
MWENational Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexicon
Classifications
Entity Type
Event0%rule-basedmulti_axis_classifier_low_confidence.v1
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Sensitivity
Regulated85%llm-generatedllm:claude-haiku-4-5
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Information Class
—60%llm-generatedllm:claude-haiku-4-5
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Variants
- plural
- data breaches
- possessive
- data breach's
- pluralpossessive
- data breaches'