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Slammer worm crashed Ohio nuke plant network
Kevin Poulsen, SecurityFocus 2003-08-19

The Slammer worm penetrated a private computer network at Ohio's Davis-Besse nuclear power plant in January and disabled a safety monitoring system for nearly five hours, despite a belief by plant personnel that the network was protected by a firewall, SecurityFocus has learned.

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Real World Example 2003-08-23
Network Admin
I work at a power plant that has a digital control system, DCS (Distributed Control System), tied to the corporate LAN which is tied to the Internet. We of course have a firewall between the two networks; UNIX on both sides of the firewall (DCS is 100% UNIX), then it ties to the corp LAN, and then i...

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