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Government Accountability Office, Information Sharing Environment: Better Road Map Needed to Guide Implementation and Investments (GAO-11-455) (July 21, 2011) (full-text).


The Intelligence Reform and Terrorism Prevention Act of 2004, as amended, mandated the creation of the Information Sharing Environment (ISE), which is described as an approach for sharing terrorism-related information that may include any method determined necessary and appropriate.

The GAO was asked to assess to what extent the Program Manager for the ISE and agencies have (1) made progress in developing and implementing the ISE and (2) defined an enterprise architecture (EA) to support ISE implementation efforts. In general, an EA provides a modernization blueprint to guide an entity's transition to its future operational and technological environment.