Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

A  |  B  |  C  |  D  |  E  |  F  |  G  |  H  |  I  |  J  |  K  |  L  |  M  |  N  |  O  |  P  |  Q  |  R  |  S  |  T  |  U  |  V  |  W  |  X  |  Y  |  Z

selection operation

Definitions:

  A control parameter that allows an organization to select a value from a list of predefined values provided as part of the control or control enhancement (e.g., selecting to either restrict an action or prohibit an action).
Sources:
NIST SP 800-53 Rev. 5
NIST SP 800-53A Rev. 5
NIST SP 800-53B

  See assignment operation and organization-defined control parameter.
Sources:
NIST SP 800-53 Rev. 5
NIST SP 800-53B

  See assignment operation and organization-defined parameter.
Sources:
NIST SP 800-53A Rev. 5