"The goal of PDD 63, issued by President Clinton in 1998, is that public and private organizations be able to maintain continuity of the U.S. critical infrastructure in the event of a terrorist attack. Critical infrastructure includes the physical and cyber-based systems that are essential for the economy and the government to operate at a minimum level. Because these systems are highly automated and interconnected, they are vulnerable to physical and cyber attack. Examples of critical infrastructure systems are telecommunications, banking, energy, transportation, water systems, and emergency services. Minimum operation of the economy and government includes the following: (1) The federal government performs essential national security missions and ensures public health and safety. (2) State and local governments maintain order and deliver minimum essential public services. (3) The private sector ensures the orderly functioning of the economy and delivery of essential services. The Role of Federal Agencies -- Each agency has specific responsibilities for maintaining continuity of government operations: (4) protect its own critical infrastructure, "including but not limited to its cyber-based systems" (5) make the Chief Information Officer responsible for keeping agency information accessible (6) appoint a Critical Infrastructure Assurance Officer to protect all other critical infrastructure (7) develop and implement a Critical Infrastructures Protection Plan (CIPP) by May of 2000. Agencies also participate in the Critical Infrastructures Coordination Group created under this directive". (EPA, Presidential Decision Directives)