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Trusted Computing Base

nounid 4500·updated May 9, 2026
verified

Totality of protection mechanisms within a computer system, including hardware, firmware, and software, the combination responsible for enforcing a security policy.

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

System92%llm-generatedllm:claude-haiku-4-5

Sensitivity

unclassified

Information Class

unclassified

Variants

acronym
TCB
plural
Trusted Computing Bases
possessive
Trusted Computing Base's
pluralpossessive
Trusted Computing Bases'

Framework definitions

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →
§1
Totality of protection mechanisms within a computer system, including hardware, firmware, and software, the combination responsible for enforcing a security policy.
CNSSI-4009 (Glossary of Information Assurance Terms)1 senseview framework →
§1
Totality of protection mechanisms within a computer system, including hardware, firmware, and software, the combination responsible for enforcing a security policy.
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
Totality of protection mechanisms within a computer system, including hardware, firmware, and software, the combination responsible for enforcing a security policy.
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.