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ISSO

Abbreviation(s) and Synonym(s):

Information System Security Officer
Information Systems Security Officer

Definition(s):

  Individual assigned responsibility by the senior agency information security officer, authorizing official, management official, or information system owner for maintaining the appropriate operational security posture for an information system or program.
Source(s):
NIST SP 800-30 Rev. 1 under Information System Security Officer
NIST SP 800-39 under Information System Security Officer
NIST SP 800-53A Rev. 4 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.
Source(s):
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.]
Source(s):
NIST SP 800-128 under Information System Security Officer from NIST SP 800-53

  Individual with assigned responsibility for maintaining the appropriate operational security posture for an information system or program.
Source(s):
NIST SP 800-37 Rev. 1 [Superseded] under Information System Security Officer from CNSSI 4009
NIST SP 800-53 Rev. 4 [Superseded] under Information System Security Officer from CNSSI 4009