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    Glossary
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system owner (or program manager)

Definitions:

  An organizational official responsible for the procurement, development, integration, modification, operation, maintenance, and disposal of a system.
Sources:
NIST SP 800-128

  Official responsible for the overall procurement, development, integration, modification, operation, and maintenance of a system.
Sources:
NIST SP 800-53 Rev. 5
NIST SP 800-53A Rev. 5

  Official responsible for the procurement, development, integration, modification, operation, and maintenance of a system.
Sources:
NIST SP 800-53B

  Official responsible for the overall procurement, development, integration, modification, or operation and maintenance of a system.
Sources:
NIST SP 800-161r1 from NIST SP 800-53 Rev. 5