Security threats (11 - 20 of 45 items)
National Preparedness: DHS and HHS Can Further Strengthen Coordination for Chemical, Biological, Radiological, and Nuclear Risk Assessments
GAO-11-606: Published: Jun 21, 2011. Publicly Released: Jun 21, 2011.
Aviation Security: TSA Is Taking Steps to Validate the Science Underlying Its Passenger Behavior Detection Program, but Efforts May Not Be Comprehensive
GAO-11-461T: Published: Apr 6, 2011. Publicly Released: Apr 6, 2011.
Maritime Security: Updating U.S. Counterpiracy Action Plan Gains Urgency as Piracy Escalates off the Horn of Africa
GAO-11-449T: Published: Mar 15, 2011. Publicly Released: Mar 15, 2011.
Border Security: Additional Actions Needed to Better Ensure a Coordinated Federal Response to Illegal Activity on Federal Lands
GAO-11-177: Published: Nov 18, 2010. Publicly Released: Dec 8, 2010.
Aviation Security: DHS Has Taken Steps to Enhance International Aviation Security and Facilitate Compliance with International Standards, but Challenges Remain
GAO-11-238T: Published: Dec 2, 2010. Publicly Released: Dec 2, 2010.
Maritime Security: Responses to Questions for the Record
GAO-11-140R: Published: Oct 22, 2010. Publicly Released: Nov 22, 2010.
Maritime Security: Actions Needed to Assess and Update Plan and Enhance Collaboration among Partners Involved in Countering Piracy off the Horn of Africa
GAO-10-856: Published: Sep 24, 2010. Publicly Released: Sep 29, 2010.
Homeland Security: Addressing Weaknesses with Facility Security Committees Would Enhance Protection of Federal Facilities
GAO-10-901: Published: Aug 5, 2010. Publicly Released: Aug 5, 2010.
Maritime Security: DHS Progress and Challenges in Key Areas of Port Security
GAO-10-940T: Published: Jul 21, 2010. Publicly Released: Jul 21, 2010.
Aviation Security: Efforts to Validate TSA's Passenger Screening Behavior Detection Program Underway, but Opportunities Exist to Strengthen Validation and Address Operational Challenges
GAO-10-763: Published: May 20, 2010. Publicly Released: May 20, 2010.