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FEMA FISMA System Inventory REST API

Published by DHS | Department of Homeland Security | Catalog Last Checked: May 06, 2026 at 11:11 AM | Dataset Last Updated: November 07, 2022 at 03:52 PM
A system is identified by constructing logical boundaries around a set of processes, communications, storage, and related resources. The elements within these boundaries constitute a single system requiring a security plan. Each element of the system must (1) be under the same direct management control, (2) have the same function or mission objective, (3) have essentially the same operating characteristics and security needs, and (4) reside in the same general operating environment. This service produces a list of FISMA Systems that belong to FEMA.

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