home/glossary/Unauthorized Disclosure

Unauthorized Disclosure

nounid 4546·updated Aug 30, 2026
verified· unreviewed

An event involving the exposure of information to entities not authorized access to the information.

MWE

Attested in

NIST SP 800-171 Rev 3 - Protecting CUI in Nonfederal Systems11 citations · 11 machine-matched · observed 2026-09-01 under anchor/0.9/36451/2026-09-01
03.01.12.d ¶ 103.05.12.f03.06.05.d03.08.09.b03.11.01.a03.11.01.b ¶ 103.13.08 ¶ 103.13.08 ¶ 203.15.02.c03.17.01.c3.2.2 ¶ 84

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
Unauthorized Disclosures
possessive
Unauthorized Disclosure's
pluralpossessive
Unauthorized Disclosures'

Framework definitions

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →
§1
An event involving the exposure of information to entities not authorized access to the information.
CNSSI-4009 (Glossary of Information Assurance Terms)1 senseview framework →
§1
An event involving the exposure of information to entities not authorized access to the information.
NIST SP 800-57 Part 11 senseview framework →
§1
An event involving the exposure of information to entities not authorized access to the information.
NIST SP 800-171r31 senseview framework →
§1 · attested_usage_pack_match
No definition is given in NIST SP 800-171r3. The term is attested in use at 11 citations in that document; a definition is pending curation.
Increment 2: attested in 800-171r3 without a glossary definition.
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
An event involving the exposure of information to entities not authorized access to the information.
DR-088 backfill from the noun definition column

Outgoing relationships

No outgoing triples
This term is not the subject of any RDF-style relationship yet.

Incoming relationships

No incoming triples
No other term currently asserts a relationship to this one.