**GAO-11-537R**                      Published: May 19, 2011. Publicly Released: Jun 20, 2011.                  

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## Highlights

This letter formally discusses a congressional request to review the Department of Homeland Security's framework for securing critical infrastructure and key resources (CIKR), and subsequent agency comments. As such, this correspondence provides information on: (1) how DHS coordinates with CIKR stakeholders to identify overlaps and gaps in CIKR security activities across all sectors, (2) how DHS addresses these potential overlaps in CIKR security activities, and (3) how DHS addresses CIKR security gaps. To conduct this work, among other things, we selected a non-random sample of nine sectors with a mix of regulations related to security to obtain stakeholders views on working with DHS to identify and address overlaps and gaps in CIKR activities; reviewed applicable laws and regulations, DHS documents such as the National Infrastructure Protection Plan, and pertinent GAO reports; and interviewed DHS officials in the Office of Infrastructure Protection (IP) in the National Protection and Programs Directorate and officials representing the sectors we selected. While the results of these efforts are not generalizable to all CIKR sectors, stakeholders, and activities, they provided valuable insights into CIKR partner perspectives across a range of CIKR.

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## Topics

Homeland Security

AccountabilityCritical infrastructure protectionFacility securityFederal facilitiesFederal regulationsstate relationsHomeland securityPrivate sectorRegulatory agenciesInformation sharingProgram coordination