Major Information System

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Definition(s):

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.
Source(s):
NIST SP 800-18 Rev. 1 from OMB Circular A-130

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

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See NISTIR 7298 Rev. 3 for additional details.