PLCs Crashed by IT Audit
Event Year: | 1995 | Reliability: | Confirmed |
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Country: | United States | ||
Industry Type: | Food & Beverage | ||
Description: | A security consultant was scanning the food companies business and process networks for vulnerabilities. Probe packets containing deliberately malformed entered the Ethernet-based process control network and caused all PLCs to hard fault. The packets contained malformed ICMP Redirects messages with a subcode of 4 or greater. |
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Impact: | The loss of production was estimated to be over $1,000,000 USD |