Critical infrastructure
Critical infrastructure is a term used in the USA's National Strategy for Homeland Security, which was issued in July 2002; it is defined as those "systems and assets, whether physical or virtual, so vital to the United States that the incapacity or destruction of such systems and assets would have a debilitation impact on security, national economic security, national public health or safety, or any combination of those matters."The thirteen sectors of critical infrastructures and the agency liaisons identified by the National Strategy for Homeland Security are the following:
- Agriculture ÃÂÃÂ Department of Agriculture
- Food ÃÂÃÂ Departments of Agriculture and Health and Human Services
- Water ÃÂÃÂ Environmental Protection Agency
- Public Health ÃÂÃÂ Department of Health and Human Services
- Emergency Services ÃÂÃÂ Department of Homeland Security
- Government ÃÂÃÂ Department of Homeland Security
- Defense Industrial Base ÃÂÃÂ Department of Defense
- Information and Telecommunications ÃÂÃÂ Department of Homeland Security
- Energy ÃÂÃÂ Department of Energy
- Transportation ÃÂÃÂ Department of Homeland Security
- Banking and Finance ÃÂÃÂ Department of the Treasury
- Chemical Industry and Hazardous Materials ÃÂÃÂ Department of Homeland Security
- Postal and Shipping ÃÂÃÂ Department of Homeland Security