Computer networks (21 - 30 of 51 items)
Nuclear Security: Los Alamos National Laboratory Faces Challenges In Sustaining Physical and Cyber Security Improvements
GAO-08-1180T: Published: Sep 25, 2008. Publicly Released: Sep 25, 2008.
Los Alamos National Laboratory (LANL) is one of three National Nuclear Security Administration (NNSA) laboratories that designs and develops nuclear weapons for the U.S. stockpile. LANL employees rely on sensitive and classified information and assets that are protected at different levels, depending on the risks posed if they were lost, stolen, or otherwise compromised. However, LANL has experien...
Information Security: Federal Agency Efforts to Encrypt Sensitive Information Are Under Way, but Work Remains
GAO-08-525: Published: Jun 27, 2008. Publicly Released: Jul 28, 2008.
Many federal operations are supported by automated systems that may contain sensitive information such as national security information that, if lost or stolen, could be disclosed for improper purposes. Compromises of sensitive information at numerous federal agencies have raised concerns about the extent to which such information is vulnerable. The use of technological controls such as encryption...
Information Security: TVA Needs to Address Weaknesses in Control Systems and Networks
GAO-08-526: Published: May 21, 2008. Publicly Released: May 21, 2008.
Securing the control systems that regulate the nation's critical infrastructures is vital to ensuring our economic security and public health and safety. The Tennessee Valley Authority (TVA), a federal corporation and the nation's largest public power company, generates and distributes power in an area of about 80,000 square miles in the southeastern United States. GAO was asked to determine wheth...
Information Security: TVA Needs to Enhance Security of Critical Infrastructure Control Systems and Networks
GAO-08-775T: Published: May 21, 2008. Publicly Released: May 21, 2008.
The control systems that regulate the nation's critical infrastructures face risks of cyber threats, system vulnerabilities, and potential attacks. Securing these systems is therefore vital to ensuring national security, economic well-being, and public health and safety. While most critical infrastructures are privately owned, the Tennessee Valley Authority (TVA), a federal corporation and the nat...
Information Security: Homeland Security Needs to Immediately Address Significant Weaknesses in Systems Supporting the US-VISIT Program
GAO-07-870: Published: Jul 13, 2007. Publicly Released: Aug 2, 2007.
Intended to enhance the security of U.S. citizens and visitors, United States Visitor and Immigrant Status Indicator Technology (US-VISIT) program encompasses the pre-entry, entry, status management, and exit of foreign national travelers who enter and leave the United States at 285 air, sea, and land ports of entry. GAO was asked to determine whether Department of Homeland Security (DHS) has impl...
Information Security: FBI Needs to Address Weaknesses in Critical Network
GAO-07-368: Published: Apr 30, 2007. Publicly Released: May 24, 2007.
The Federal Bureau of Investigation (FBI) relies on a critical network to electronically communicate, capture, exchange, and access law enforcement and investigative information. Misuse or interruption of this critical network, or disclosure of the information traversing it, would impair FBI's ability to fulfill its missions. Effective information security controls are essential for ensuring that...
Information Security: Sustained Progress Needed to Strengthen Controls at the Securities and Exchange Commission
GAO-07-256: Published: Mar 27, 2007. Publicly Released: Mar 27, 2007.
In carrying out its mission to ensure that securities markets are fair, orderly, and efficiently maintained, the Securities and Exchange Commission (SEC) relies extensively on computerized systems. Integrating effective information security controls into a layered control strategy is essential to ensure that SEC's financial and sensitive information is protected from inadvertent or deliberate misu...
Information Security: The Centers for Medicare & Medicaid Services Needs to Improve Controls over Key Communication Network
GAO-06-750: Published: Aug 30, 2006. Publicly Released: Oct 3, 2006.
The Centers for Medicare & Medicaid Services (CMS), a component within the Department of Health and Human Services (HHS), is responsible for overseeing the Medicare and Medicaid programs--the nation's largest health insurance programs--which benefit about one in every four Americans. CMS relies on a contractor-owned and operated network to facilitate communication and data transmission among CMS b...
Information Security: Department of Health and Human Services Needs to Fully Implement Its Program
GAO-06-267: Published: Feb 24, 2006. Publicly Released: Mar 23, 2006.
The Department of Health and Human Services (HHS) is the nation's largest health insurer and the largest grant-making agency in the federal government. HHS programs impact all Americans, whether through direct services, scientific advances, or information that helps them choose medical care, medicine, or even food. For example, the Centers for Medicare & Medicaid Services (CMS), a major operating...
Information Security: Progress Made, but Federal Aviation Administration Needs to Improve Controls over Air Traffic Control Systems
GAO-05-712: Published: Aug 26, 2005. Publicly Released: Sep 26, 2005.
The Federal Aviation Administration (FAA) performs critical functions that contribute to ensuring safe, orderly, and efficient air travel in the national airspace system. To that end, it operates and relies extensively on an array of interconnected automated information systems and networks that comprise the nation's air traffic control systems. These systems provide information to air traffic con...