Computer networks (31 - 40 of 52 items)
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: Federal Agencies Need to Improve Controls over Wireless Networks
GAO-05-383: Published: May 17, 2005. Publicly Released: May 17, 2005.
The use of wireless networks is becoming increasingly popular. Wireless networks extend the range of traditional wired networks by using radio waves to transmit data to wireless-enabled devices such as laptops. They can offer federal agencies many potential benefits but they are difficult to secure. GAO was asked to study the security of wireless networks operating within federal facilities. This...
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...
Critical Infrastructure Protection: Challenges and Efforts to Secure Control Systems
GAO-04-628T: Published: Mar 30, 2004. Publicly Released: Mar 30, 2004.
Computerized control systems perform vital functions across many of our nation's critical infrastructures. For example, in natural gas distribution, they can monitor and control the pressure and flow of gas through pipelines. In October 1997, the President's Commission on Critical Infrastructure Protection emphasized the increasing vulnerability of control systems to cyber attacks. At the request...
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...
Critical Infrastructure Protection: Challenges in Securing Control Systems
GAO-04-140T: Published: Oct 1, 2003. Publicly Released: Oct 1, 2003.
Computerized control systems perform vital functions across many of our nation's critical infrastructures. For example, in natural gas distribution, they can monitor and control the pressure and flow of gas through pipelines; in the electric power industry, they can monitor and control the current and voltage of electricity through relays and circuit breakers; and in water treatment facilities, th...
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...
Computer Security: Progress Made, But Critical Federal Operations and Assets Remain at Risk
GAO-03-303T: Published: Nov 19, 2002. Publicly Released: Nov 19, 2002.
Protecting the computer systems that support our critical operations and infrastructures has never been more important because of the concern about attacks from individuals and groups with malicious intent, including terrorism. These concerns are well founded for a number of reasons, including the dramatic increases in reported computer security incidents, the ease of obtaining and using hacking t...