PLCs Crashed by IT Audit
- Event Year
- 1995
- Reliability
- Confirmed
- Country
- United States
- Industry
- 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.
Impact
The loss of production was estimated to be over $1,000,000 USD