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Information System Security Officer

nounverified·updated May 9, 2026

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.

polysemousMWENISTIR 7298: Glossary of Key Information Security Terms, Revision 2

Senses

NISTIR 7298: Glossary of Key Information Security Terms, Revision 2

Individual with assigned responsibility for maintaining the appropriate operational security posture for an information system or program.

NIST SP 800-53A

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.

Classifications

Entity Type

Role90%rule-basedr:entity.role.named.v1
?unassignedlast reviewed

Sensitivity

unclassified

Information Class

unclassified

Variants

acronym
ISSO
plural
Information System Security Officers
possessive
Information System Security Officer's
pluralpossessive
Information System Security Officers'