Breach

nounverified·updated May 18, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

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.

Framework senses

4 senses across 2 frameworks

Information Technology Laboratory Computer Security Resource Center Glossary1 senseview framework →

§1: 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.

Wordset Dictionary3 sensesview framework →

§1: a failure to perform some promised act or obligation
§2: a personal or social separation, as between opposing factions
§3: an opening (especially a gap in a dike or fortification)