data breach
nounid
2205·updated May 12, 2026candidate
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.
MWE
Classifications
Entity Type
Event0%rule-basedmulti_axis_classifier_low_confidence.v1
Sensitivity
Regulated85%llm-generatedllm:claude-haiku-4-5
Information Class
—60%llm-generatedllm:claude-haiku-4-5
Variants
- plural
- data breaches
- possessive
- data breach's
- pluralpossessive
- data breaches'
Framework definitions
National Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexicon1 senseview framework →
- §1
- 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.
Outgoing relationships
- related
- →data lossnoun
- →exfiltrationnoun
- →data theftnoun
Incoming relationships
- related
- ←exfiltrationnoun