Cyber security (1 - 10 of 68 items)
Information Security: Agencies Need to Improve Controls over Selected High-Impact Systems
GAO-16-501: Published: May 18, 2016. Publicly Released: Jun 21, 2016.
In GAO's survey of 24 federal agencies, the 18 agencies having high-impact systems identified cyber attacks from “nations” as the most serious and most frequently-occurring threat to the security of their systems. These agencies also noted that attacks delivered through e-mail were the most serious and frequent. During fiscal year 2014, 11 of the 18 agencies reported 2,267 incidents affecting...
Information Security: IRS Needs to Further Enhance Controls over Taxpayer and Financial Data
GAO-16-590T: Published: Apr 14, 2016. Publicly Released: Apr 14, 2016.
In March 2016 GAO reported that the Internal Revenue Service (IRS) had instituted numerous controls over key financial and tax processing systems; however, it had not always effectively implemented safeguards intended to properly restrict access to systems and information. In particular, while IRS had improved some of its access controls, weaknesses remained with identifying and authenticating use...
Information Security: IRS Needs to Further Improve Controls over Taxpayer Data and Continue to Combat Identity Theft Refund Fraud
GAO-16-589T: Published: Apr 12, 2016. Publicly Released: Apr 12, 2016.
In March 2016, GAO reported that the Internal Revenue Service (IRS) had instituted numerous controls over key financial and tax processing systems; however, it had not always effectively implemented other controls intended to properly restrict access to systems and information, among other security measures. In particular, while IRS had improved some of its access controls, weaknesses remained in...
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...
Critical Infrastructure Protection: Sector-Specific Agencies Need to Better Measure Cybersecurity Progress
GAO-16-79: Published: Nov 19, 2015. Publicly Released: Nov 19, 2015.
Sector-specific agencies (SSA) determined the significance of cyber risk to networks and industrial control systems for all 15 of the sectors in the scope of GAO's review. Specifically, they determined that cyber risk was significant for 11 of 15 sectors. Although the SSAs for the remaining four sectors had not determined cyber risks to be significant during their 2010 sector-specific planning pro...
Information Security: Department of Education and Other Federal Agencies Need to Better Implement Controls
GAO-16-228T: Published: Nov 17, 2015. Publicly Released: Nov 17, 2015.
Cyber-based risks to federal systems and information can come from unintentional threats, such as natural disasters, software coding errors, and poorly trained or careless employees, or intentional threats, such as disgruntled insiders, hackers, or hostile nations. These threat sources may exploit vulnerabilities in agencies' systems and networks to steal or disclose sensitive information, among o...
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...
Critical Infrastructure Protection: Cybersecurity of the Nation's Electricity Grid Requires Continued Attention
GAO-16-174T: Published: Oct 21, 2015. Publicly Released: Oct 21, 2015.
GAO reported in 2011 that several entities—the North American Electric Reliability Corporation (NERC), the National Institute of Standards and Technology (NIST), the Federal Energy Regulatory Commission (FERC), the Department of Homeland Security (DHS), and the Department of Energy (DOE)—had taken steps to help secure the electric grid. These included developing cybersecurity standards and oth...
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...