Security threats (31 - 40 of 47 items)
Maritime Security: Vessel Tracking Systems Provide Key Information, but the Need for Duplicate Data Should Be Reviewed
GAO-09-337: Published: Mar 17, 2009. Publicly Released: Apr 16, 2009.
U.S. ports, waterways, and coastal approaches are part of a system handling more than $700 billion in merchandise annually. With the many possible threats--including transportation and detonation of weapons of mass destruction, suicide attacks against vessels, and others--in the maritime domain, awareness of such threats could give the Coast Guard advance notice to help detect, deter, interdict, a...
Commercial Vehicle Security: Risk-Based Approach Needed to Secure the Commercial Vehicle Sector
GAO-09-85: Published: Feb 27, 2009. Publicly Released: Mar 27, 2009.
Numerous incidents around the world have highlighted the vulnerability of commercial vehicles to terrorist acts. Commercial vehicles include over 1 million highly diverse truck and intercity bus firms. Within the Department of Homeland Security (DHS), the Transportation Security Administration (TSA) has primary federal responsibility for ensuring the security of the commercial vehicle sector, whil...
Aviation Security: Preliminary Observations on TSA's Progress and Challenges in Meeting the Statutory Mandate for Screening Air Cargo on Passenger Aircraft
GAO-09-422T: Published: Mar 18, 2009. Publicly Released: Mar 18, 2009.
The Implementing Recommendations of the 9/11 Commission Act of 2007 mandates the Department of Homeland Security (DHS) to establish a system to physically screen 50 percent of cargo transported on passenger aircraft by February 2009 and 100 percent of such cargo by August 2010. This testimony provides preliminary observations on the Transportation Security Administration's (TSA) progress in meetin...
Aviation Security: Federal Air Marshal Service Has Taken Actions to Fulfill Its Core Mission and Address Workforce Issues, but Additional Actions Are Needed to Improve Workforce Survey
GAO-09-273: Published: Jan 14, 2009. Publicly Released: Feb 13, 2009.
By deploying armed air marshals onboard selected flights, the Federal Air Marshal Service (FAMS), a component of the Transportation Security Administration (TSA), plays a key role in helping to protect approximately 29,000 domestic and international flights operated daily by U.S. air carriers. GAO was asked to examine (1) FAMS's operational approach or "concept of operations" for covering flights,...
Cyber Analysis and Warning: DHS Faces Challenges in Establishing a Comprehensive National Capability
GAO-08-588: Published: Jul 31, 2008. Publicly Released: Sep 16, 2008.
Cyber analysis and warning capabilities are critical to thwarting computer-based (cyber) threats and attacks. The Department of Homeland Security (DHS) established the United States Computer Emergency Readiness Team (US-CERT) to, among other things, coordinate the nation's efforts to prepare for, prevent, and respond to cyber threats to systems and communications networks. GAO's objectives were to...
Aviation Security: TSA Is Enhancing Its Oversight of Air Carrier Efforts to Identify Passengers on the No Fly and Selectee Lists, but Expects Ultimate Solution to Be Implementation of Secure Flight
GAO-08-992: Published: Sep 9, 2008. Publicly Released: Sep 9, 2008.
Air carriers remain a front-line defense against acts of terrorism that target the nation's civil aviation system. A key responsibility of air carriers is to check passengers' names against terrorist watch-list records to identify persons who should be prevented from boarding (the No Fly List) or who should undergo additional security scrutiny (the Selectee List). Eventually, the Transportation Se...
Aviation Security: TSA Is Enhancing Its Oversight of Air Carrier Efforts to Screen Passengers against Terrorist Watch-List Records, but Expects Ultimate Solution to Be Implementation of Secure Flight
GAO-08-1136T: Published: Sep 9, 2008. Publicly Released: Sep 9, 2008.
Domestic air carriers are responsible for checking passenger names against terrorist watch-list records to identify persons who should be denied boarding (the No Fly List) or who should undergo additional security scrutiny (the Selectee List). The Transportation Security Administration (TSA) is to assume this function through its Secure Flight program. However, due to program delays, air carriers...
Transportation Security: TSA Has Developed a Risk-Based Covert Testing Program, but Could Better Mitigate Aviation Security Vulnerabilities Identified Through Covert Tests
GAO-08-958: Published: Aug 8, 2008. Publicly Released: Aug 14, 2008.
The Transportation Security Administration (TSA) uses undercover, or covert, testing to approximate techniques that terrorists may use to identify vulnerabilities in and measure the performance of airport security systems. During these tests, undercover inspectors attempt to pass threat objects through passenger and baggage screening systems, and access secure airport areas. In response to a congr...
Homeland Security: First Responders' Ability to Detect and Model Hazardous Releases in Urban Areas Is Significantly Limited
GAO-08-180: Published: Jun 27, 2008. Publicly Released: Jun 27, 2008.
First responders are responsible for responding to terrorist-related and accidental releases of CBRN materials in urban areas. Two primary tools for identifying agents released and their dispersion and effect are equipment to detect and identify CBRN agents in the environment and plume models to track the dispersion of airborne releases of these agents. GAO reports on the limitations of the CBRN d...
Risk Management: Strengthening the Use of Risk Management Principles in Homeland Security
GAO-08-904T: Published: Jun 25, 2008. Publicly Released: Jun 25, 2008.
From the terrorist attacks of September 11, 2001, to Hurricane Katrina, homeland security risks vary widely. The nation can neither achieve total security nor afford to protect everything against all risks. Managing these risks is especially difficult in today's environment of globalization, increasing security interdependence, and growing fiscal challenges for the federal government. Broadly defi...