Computer networks (1 - 10 of 52 items)
Information Security: Opportunities Exist for SEC to Improve Its Controls over Financial Systems and Data
GAO-16-493: Published: Apr 28, 2016. Publicly Released: Apr 28, 2016.
The Securities and Exchange Commission (SEC) improved its information security by addressing weaknesses previously identified by GAO, including separating the user production network from the internal management network. However, weaknesses continue to limit the effectiveness of other security controls. In particular:While SEC had issued policies and implemented controls based on those policies, i...
Information Security: DHS Needs to Enhance Capabilities, Improve Planning, and Support Greater Adoption of Its National Cybersecurity Protection System
GAO-16-294: Published: Jan 28, 2016. Publicly Released: Jan 28, 2016.
The Department of Homeland Security's (DHS) National Cybersecurity Protection System (NCPS) is partially, but not fully, meeting its stated system objectives:Intrusion detection: NCPS provides DHS with a limited ability to detect potentially malicious activity entering and exiting computer networks at federal agencies. Specifically, NCPS compares network traffic to known patterns of malicious data...
Information Security: Federal Agencies Need to Better Protect Sensitive Data
GAO-16-194T: Published: Nov 17, 2015. Publicly Released: Nov 17, 2015.
Federal systems face an evolving array of cyber-based threats. These threats can be unintentional—for example, from software coding errors or the actions of careless or poorly trained employees; or intentional—targeted or untargeted attacks from criminals, hackers, adversarial nations, terrorists, disgruntled employees or other organizational insiders, among others. These concerns are further...
Federal Information Security: Agencies Need to Correct Weaknesses and Fully Implement Security Programs
GAO-15-714: Published: Sep 29, 2015. Publicly Released: Sep 29, 2015.
Persistent weaknesses at 24 federal agencies illustrate the challenges they face in effectively applying information security policies and practices. Most agencies continue to have weaknesses in (1) limiting, preventing, and detecting inappropriate access to computer resources; (2) managing the configuration of software and hardware; (3) segregating duties to ensure that a single individual does n...
Information Security: VA Needs to Address Identified Vulnerabilities
GAO-15-117: Published: Nov 13, 2014. Publicly Released: Nov 17, 2014.
While the Department of Veterans Affairs (VA) has taken actions to mitigate previously identified vulnerabilities, it has not fully addressed these weaknesses. For example, VA took actions to contain and eradicate a significant incident detected in 2012 involving a network intrusion, but these actions were not fully effective:The department's Network and Security Operations Center (NSOC) analyzed...
Information Security: SEC Needs to Improve Controls over Financial Systems and Data
GAO-14-419: Published: Apr 17, 2014. Publicly Released: Apr 17, 2014.
Although the Securities and Exchange Commission (SEC) had implemented and made progress in strengthening information security controls, weaknesses limited their effectiveness in protecting the confidentiality, integrity, and availability of a key financial system. For this system's network, servers, applications, and databases, weaknesses in several controls were found, as the following examples i...
Information Security: Federal Deposit Insurance Corporation Has Made Progress, but Further Actions Are Needed to Protect Financial Data
GAO-11-708: Published: Aug 12, 2011. Publicly Released: Aug 12, 2011.
The Federal Deposit Insurance Corporation (FDIC) has a demanding responsibility enforcing banking laws, regulating financial institutions, and protecting depositors. Because of the importance of FDIC's work, effective information security controls are essential to ensure that the corporation's systems and information are adequately protected from inadvertent misuse, fraudulent use, or improper dis...
Cybersecurity: Continued Attention Needed to Protect Our Nation's Critical Infrastructure
GAO-11-865T: Published: Jul 26, 2011. Publicly Released: Jul 26, 2011.
Increasing computer interconnectivity, such as the growth of the Internet, has revolutionized the way our government, our nation, and much of the world communicate and conduct business. However, this widespread interconnectivity poses significant risks to the government's and the nation's computer systems, and to the critical infrastructures they support. These critical infrastructures include sys...
Cybersecurity: Continued Attention Needed to Protect Our Nation's Critical Infrastructure and Federal Information Systems
GAO-11-463T: Published: Mar 16, 2011. Publicly Released: Mar 16, 2011.
Pervasive and sustained cyber attacks continue to pose a potentially devastating threat to the systems and operations of our nation's critical infrastructure and the federal government. In recent testimony, the Director of National Intelligence stated that there had been a dramatic increase in malicious cyber activity targeting U.S. computers and networks. In addition, recent reports of cyber atta...
Information Security: Federal Agencies Have Taken Steps to Secure Wireless Networks, but Further Actions Can Mitigate Risk
GAO-11-43: Published: Nov 30, 2010. Publicly Released: Nov 30, 2010.
Over the past several years, federal agencies have rapidly adopted the use of wireless technologies for their information systems. In a 2005 report, GAO recommended that the Office of Management and Budget (OMB), in its role overseeing governmentwide information security, take several steps to help agencies better secure their wireless networks. GAO was asked to update its prior report by (1) iden...