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access enforcement mechanism

nounid 163528·updated Aug 30, 2026
verified

A control implementation — realized as hardware, software (e.g., access control lists, access control matrices), firmware, cryptography, or combinations thereof — that carries out an organization's access control policy by permitting or denying subjects (users or processes) the ability to interact with objects (files, records, devices, domains, programs). It is distinguished from the policy itself by being the operative, runtime layer that actually applies decisions; the policy declares what is authorized, while the mechanism enforces it. In practice, the field uses the term to denote the full range of such implementations deployed at multiple tiers — system, network boundary, application, and service levels — with the understanding that mechanisms at deeper tiers (e.g., application-level) supplement rather than replace system-level enforcement.

MWE

Source

document
NIST SP 800-171 Rev 3 - Protecting CUI in Nonfederal Systems
found in
proposed during MWE review
element
e0172
proposed by
dorianc@moxywolf.com
discovery
ManualCuration
, such as the internet. Access enforcement mechanisms can also be employed at the application and service levels to provide increased protection forthe sentence this term was read in
Where the definition came fromawaiting curator confirmation

generalized from a web lookup of the quoted expression at proposal time Verdict: term of art.

A definition generalized from search results is a draft to react to, not provenance. Confirm it against an authority document before this term is verified.

A web lookup ran when this term was proposed

A category of security safeguard — comprising hardware features, software controls, operating procedures, and combinations thereof — that operationalizes an access control policy by actively permitting or denying subjects (users or processes) access to objects (files, devices, records, domains, programs). Examples canonically cited in NIST SP 800-53 include access control lists, access control matrices, and cryptography. Organizations pair these mechanisms with their chosen access control policies (identity-based, role-based, or rule-based) to govern access across the information system, and additionally deploy them at the application level when finer-grained protection is needed. In current practice under NIST SP 800-53 Rev. 5, they are explicitly extended to the application and service level to provide increased information security and privacy.

Advisory only. A term this product ships is defined by an authority document, not by a search result.

Proposed during multiword review of this document in the CKI mapping queue.

Attested in

NIST SP 800-171 Rev 3 - Protecting CUI in Nonfederal Systems2 citations · 2 confirmed by a reviewer · observed 2026-10-20 under anchor/0.9/36554/2026-10-20/set-r11, anchor/0.9/36451/2026-09-01
03.01.02 ¶ 203.01.02 ¶ 2

Classifications

Entity Type

Control95%llm-generatedllm:claude-haiku-4-5

Sensitivity

unclassified

Information Class

unclassified

Variants

plural
access enforcement mechanisms
possessive
access enforcement mechanism's
pluralpossessive
access enforcement mechanisms'

Framework definitions

NIST SP 800-171r31 senseview framework →
§1 · attested_usage_reviewer_confirmed
No definition is given in NIST SP 800-171r3. The term is attested in use at 1 citation in that document; a definition is pending curation.
Increment 2: attested in 800-171r3 without a glossary definition.
Legacy lexicon import1 senseview framework →
§1 · web_lookup_draft
A control implementation — realized as hardware, software (e.g., access control lists, access control matrices), firmware, cryptography, or combinations thereof — that carries out an organization's access control policy by permitting or denying subjects (users or processes) the ability to interact with objects (files, records, devices, domains, programs). It is distinguished from the policy itself by being the operative, runtime layer that actually applies decisions; the policy declares what is authorized, while the mechanism enforces it. In practice, the field uses the term to denote the full range of such implementations deployed at multiple tiers — system, network boundary, application, and service levels — with the understanding that mechanisms at deeper tiers (e.g., application-level) supplement rather than replace system-level enforcement.
DR-088 backfill from the noun definition column
Web lookup drafts1 senseview framework →
§1 · web_lookup_draft
A category of security safeguard — comprising hardware features, software controls, operating procedures, and combinations thereof — that operationalizes an access control policy by actively permitting or denying subjects (users or processes) access to objects (files, devices, records, domains, programs). Examples canonically cited in NIST SP 800-53 include access control lists, access control matrices, and cryptography. Organizations pair these mechanisms with their chosen access control policies (identity-based, role-based, or rule-based) to govern access across the information system, and additionally deploy them at the application level when finer-grained protection is needed. In current practice under NIST SP 800-53 Rev. 5, they are explicitly extended to the application and service level to provide increased information security and privacy.
Drafted by the propose-term web lookup (PD-018); a curator confirms or replaces it.

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.