Critical Infrastructure Protection: Challenges in Securing Control Systems.

From: General Accounting Office Reports & Testimony | Date: November 1, 2003 | Copyright information

GAO-04-140T October 1, 2003

Computerized control systems perform vital functions across many of our nation's critical infrastructures. For example, in natural gas distribution, they can monitor and control the pressure and flow of gas through pipelines; in the electric power industry, they can monitor and control the current and voltage of electricity through relays and circuit breakers; and in water treatment facilities, they can monitor and adjust water levels, pressure, and chemicals used for purification. In October 1997, the President's Commission on Critical ...

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