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information system security officer

Definitions:

  Individual with assigned responsibility for maintaining the appropriate operational security posture for an information system or program.
Sources:
NIST SP 800-128 under system security officer
NIST SP 800-137 under Information System Security Officer (ISSO) from CNSSI 4009
NIST SP 800-37 Rev. 2 under system security officer

  See information systems security officer (ISSO).
Sources:
CNSSI 4009-2015 under systems security officer (SSO)

  See system security officer (SSO).
Sources:
CNSSI 4009-2015 from NIST SP 800-30 Rev. 1
NIST SP 800-30 Rev. 1 under Information System Security Officer
NIST SP 800-39 under Information System Security Officer
NIST SP 800-60 Vol. 1 Rev. 1 under Information System Security Officer from CNSSI 4009 - Adapted
NIST SP 800-60 Vol. 2 Rev. 1 under Information System Security Officer from CNSSI 4009 - Adapted

  Individual assigned responsibility by the senior agency information security officer, authorizing official, management official, or information system owner for ensuring that the appropriate operational security posture is maintained for an information system or program.
Sources:
NIST SP 800-18 Rev. 1 under Information System Security Officer from CNSSI 4009 - Adapted
NISTIR 8170 under Information System Security Officer

  Individual assigned responsibility for maintaining the appropriate operational security posture for an information system or program. [Note: ISSO responsibility may be assigned by the senior agency information security officer, authorizing official, management official, or information system owner.]
Sources:
NIST SP 800-128 under Information System Security Officer

  Individual with assigned responsibility for maintaining the appropriate operational security posture for a system or program.
Sources:
NIST SP 800-53 Rev. 5 under system security officer from NIST SP 800-37 Rev. 2
NIST SP 800-53A Rev. 5 under system security officer from NIST SP 800-37 Rev. 2

  Individual with assigned responsibility for maintaining the appropriate operational security posture for an information system or program.
Sources:
NIST SP 800-37 Rev. 2 from CNSSI 4009-2015