Individual assigned responsibility for maintaining the appropriate operational security posture for an information system or program. (CNSSI-4009) (NISTIR) 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. (SP 800-39) (NISTIR)
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Individual assigned responsibility for maintaining the appropriate operational security posture for an information system or program. (CNSSI-4009) (NISTIR) 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. (SP 800-39) (NISTIR)
Cite this term
Election Security Glossary. (2026). Information Systems Security Officer (isso). In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/information-systems-security-officer-isso
Sources
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