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GAO – DHS Needs to Support Greater Adoption of Its National Cybersecurity Protection System

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.

“What GAO Found 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, or “signatures,” but does not detect deviations from predefined baselines of normal network behavior. In addition, NCPS does not monitor several types of network traffic and its “signatures” do not address threats that exploit many common security vulnerabilities and thus may be less effective.

Intrusion prevention: The capability of NCPS to prevent intrusions (e.g., blocking an e-mail determined to be malicious) is limited to the types of network traffic that it monitors. For example, the intrusion prevention function monitors and blocks e-mail. However, it does not address malicious content within web traffic, although DHS plans to deliver this capability in 2016.

Analytics: NCPS supports a variety of data analytical tools, including a centralized platform for aggregating data and a capability for analyzing the characteristics of malicious code. In addition, DHS has further enhancements to this capability planned through 2018.

Information sharing: DHS has yet to develop most of the planned functionality for NCPS’s information-sharing capability, and requirements were only recently approved. Moreover, agencies and DHS did not always agree about whether notifications of potentially malicious activity had been sent or received, and agencies had mixed views about the usefulness of these notifications. Further, DHS did not always solicit—and agencies did not always provide—feedback on them.”

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