Computer networks (1 - 10 of 79 items) in Custom Date Range
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...
Maritime Critical Infrastructure Protection: DHS Needs to Enhance Efforts to Address Port Cybersecurity
GAO-16-116T: Published: Oct 8, 2015. Publicly Released: Oct 8, 2015.
Similar to other critical infrastructures, the nation's ports face an evolving array of cyber-based threats. These can come from insiders, criminals, terrorists, or other hostile sources and may employ a variety of techniques or exploits, such as denial-of-service attacks and malicious software. By exploiting vulnerabilities in information and communications technologies supporting port operations...
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...
Defense Department Cyber Efforts: Definitions, Focal Point, and Methodology Needed for DOD to Develop Full-Spectrum Cyberspace Budget Estimates
GAO-11-695R: Published: Jul 29, 2011. Publicly Released: Jul 29, 2011.
This letter discusses the Department of Defense's (DOD) cyber and information assurance budget for fiscal year 2012 and future years defense spending. The objectives of this review were to (1) assess the extent to which DOD has prepared an overarching budget estimate for full-spectrum cyberspace operations across the department; and (2) identify the challenges DOD has faced in providing such estim...
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...