Security threats (11 - 20 of 40 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.
Visa Waiver Program: DHS Has Implemented the Electronic System for Travel Authorization, but Further Steps Needed to Address Potential Program Risks
GAO-11-335: Published: May 5, 2011. Publicly Released: May 17, 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: Ferry Security Measures Have Been Implemented, but Evaluating Existing Studies Could Further Enhance Security
GAO-11-207: Published: Dec 3, 2010. Publicly Released: Dec 3, 2010.
Supply Chain Security: CBP Has Made Progress in Assisting the Trade Industry in Implementing the New Importer Security Filing Requirements, but Some Challenges Remain
GAO-10-841: Published: Sep 10, 2010. Publicly Released: Oct 12, 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.
Maritime Security: Varied Actions Taken to Enhance Cruise Ship Security, but Some Concerns Remain
GAO-10-400: Published: Apr 9, 2010. Publicly Released: May 10, 2010.
Homeland Security: Ongoing Challenges Impact the Federal Protective Service's Ability to Protect Federal Facilities
GAO-10-506T: Published: Mar 16, 2010. Publicly Released: Mar 16, 2010.