Computer Security Resource Center

Computer Security Resource Center

Computer Security
Resource Center

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trusted computing base (TCB)

Abbreviation(s) and Synonym(s):

TCB

Definition(s):

  Totality of protection mechanisms within a computer system, including hardware, firmware, and software, the combination responsible for enforcing a security policy.
Source(s):
CNSSI 4009-2015
NIST SP 800-12 Rev. 1 under Trusted Computing Base (CNSSI 4009)