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+-   Software update shuts down nuclear power plant on Friday June 06 2008, @04:34PM Garabito

Submitted by Garabito on Friday June 06 2008, @04:34PM
security
Garabito writes "Hatch Nuclear Power Plant near Baxley, Georgia, was forced into a 48 hours emergency shutdown when a computer on the plant's corporate network was rebooted after an engineer installed a software update.

The computer was used to monitor process data from the primary control systems network, and the software update was designed to synchronize data on both systems. When the computer rebooted, it reset the data on the control system, causing the system to (erroneusly) interpret that the water reservoirs used for cooling the nuclear fuel rods were empty, so the plant's automated safety devices triggered an emergency shutdown.

Personally, I don't think letting devices on a critical process control network to accept data values from the corporate network to be a good idea."
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