data breach
nounid
2205·updated Oct 7, 2026verified· unreviewed
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
Attested in
No recorded attestations. They are written when an MWE tagging stage is completed, stamped with the pack version and the document’s digest.
Classifications
Entity Type
Event100%manual reviewI-079.event_restored
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.
- §1 · legacy_primary
- 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.DR-088 backfill from the noun definition column
Outgoing relationships
- related
- →data lossnoun
- →exfiltrationnoun
- →data theftnoun
Incoming relationships
- related
- ←exfiltrationnoun