Computer networks (21 - 30 of 40 items)
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: 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: 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...
Financial Market Organizations Have Taken Steps to Protect against Electronic Attacks, but Could Take Additional Actions
GAO-05-679R: Published: Jun 29, 2005. Publicly Released: Jul 29, 2005.
The September 11, 2001, terrorist attacks on the World Trade Center exposed the vulnerability of the financial markets to disruption by such events. As part of a series of reviews we have performed at the request of Members of Congress, we have examined and reported on the adequacy of the steps that financial market participants have taken to reduce their vulnerability to attacks and to be better...
Information Security: Securities and Exchange Commission Needs to Address Weak Controls over Financial and Sensitive Data
GAO-05-262: Published: Mar 23, 2005. Publicly Released: Mar 23, 2005.
The Securities and Exchange Commission (SEC) relies extensively on computerized systems to support its financial and mission-related operations. As part of the audit of SEC's fiscal year 2004 financial statements, GAO assessed the effectiveness of the commission's information system controls in protecting the integrity, confidentiality, and availability of its financial and sensitive information.S...
Information Security: Further Efforts Needed to Address Serious Weaknesses to USDA
GAO-04-154: Published: Jan 30, 2004. Publicly Released: Mar 1, 2004.
The U.S. Department of Agriculture (USDA) performs critical missions that enhance the quality of life for the American people, relying on automated systems and networks to deliver billions of dollars in programs to its customers; process and communicate sensitive payroll, financial, and market data; and maintain personal customer information. Interruptions in USDA's ability to fulfill its missions...
Information Security: Further Efforts Needed to Fully Implement Statutory Requirements in DOD
GAO-03-1037T: Published: Jul 24, 2003. Publicly Released: Jul 24, 2003.
The Department of Defense (DOD) faces many risks in its use of globally networked computer systems to perform operational missions--such as identifying and tracking enemy targets--and daily management functions--such as paying soldiers and managing supplies. Weaknesses in these systems, if present, could give hackers and other unauthorized users the opportunity to modify, steal, inappropriately di...
FDIC Information Security: Progress Made but Existing Weaknesses Place Data at Risk
GAO-03-630: Published: Jun 18, 2003. Publicly Released: Jun 18, 2003.
Effective controls over information systems are essential to ensuring the protection of financial and personnel information and the security and reliability of bank examination data maintained bythe Federal Deposit Insurance Corporation (FDIC). As part of GAO's 2002 financial statement audits of the three FDIC funds, we assessed (1) the corporation's progress in addressing computer security weakne...
High-Risk Series: Protecting Information Systems Supporting the Federal Government and the Nation's Critical Infrastructures
GAO-03-121: Published: Jan 1, 2003. Publicly Released: Jan 1, 2003.
Since GAO designated computer security in the federal government as high risk in 1997, evidence of pervasive weaknesses has been continuing. Also, related risks have been escalating, in part because of the dramatic increases in computer interconnectivity and increasing dependence on computers to support critical operations and infrastructures, such as power distribution, water supply, national def...