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'