Computer Security Resource Center

Computer Security Resource Center

Computer Security
Resource Center

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critical component

Abbreviation(s) and Synonym(s):

None

Definition(s):

  A system element that, if compromised, damaged, or failed, could cause a mission or business failure.
Source(s):
NIST SP 800-161 under Critical Component
NISTIR 7622 under Critical Component

  A component which is or contains information and communications technology (ICT), including hardware, software, and firmware, whether custom, commercial, or otherwise developed, and which delivers or protects mission critical functionality of a system or which, because of the system’s design, may introduce vulnerability to the mission critical functions of an applicable system.
Source(s):
CNSSI 4009-2015 (DoDI 5200.44)