, 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.

jerzy
1. The first worm (Morris) was a long time ago, by definition in a climate when the threat was not understood, and UNIX was an OS geared more toward research than commercial environments; while
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