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Major Information System

nouncandidate·updated May 9, 2026

An information system that requires special management attention because of its importance to an agency mission; its high development, operating, or maintenance costs; or its significant role in the administration of agency programs, finances, property, or other resources.

Framework senses

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →
§1
An information system that requires special management attention because of its importance to an agency mission; its high development, operating, or maintenance costs; or its significant role in the administration of agency programs, finances, property, or other resources.
OMB Circular A-130, Appendix III1 senseview framework →
§1
An information system that requires special management attention because of its importance to an agency mission; its high development, operating, or maintenance costs; or its significant role in the administration of agency programs, finances, property, or other resources.