Definition: "Ucrnet," as in "United States Congress Cyber Security Task Force," is a group within the United States Department of Homeland Security charged with coordinating cybersecurity strategies and policy for federal agencies involved in information systems and networks. The term comes from the acronym U.S.C.Y.T.F., which stands for "Unified Command Center for Information Systems." The task force is responsible for providing leadership, coordination, guidance, training, and threat assessments related to cyber threats and vulnerabilities within the federal government. It's designed to help ensure that all federal agencies are aware of their responsibilities and how to protect information systems and networks.