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Function

Definitions:

  Used interchangeably with algorithm in this document.
Sources:
NIST SP 800-175B Rev. 1

  Primary unit within the Cybersecurity Framework. Exhibits basic cybersecurity activities at their highest level.
Sources:
NIST IR 8406 [Update 1]
NISTIR 8183
NISTIR 8183 Rev. 1
NISTIR 8183A Vol. 1
NISTIR 8183A Vol. 2
NISTIR 8183A Vol. 3

  One of the main components of the Framework. Functions provide the highest level of structure for organizing basic cybersecurity activities into Categories and Subcategories. The five functions are Identify, Protect, Detect, Respond, and Recover.
Sources:
NIST Cybersecurity Framework Version 1.1

  A component of the Core that provides the highest level of structure for organizing basic privacy activities into Categories and Subcategories.
Sources:
NIST Privacy Framework Version 1.0