Infected New HMI Infects Chemical Plant DCS
| Event Year: | 2003 | Reliability: | Confirmed |
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| Country: | Europe | ||
| Industry Type: | Chemical | ||
| Description: | A vendor/contractor built a new HMI on their own premises & network and did not install all appropriate security patches. The HMI became infected with a worm (blaster?). The HMI was walked passed the PCN firewall and was connected to the PCN when it infected other machines on the DCS. |
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| Impact: | Minimal |
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| Action Description: | Raised awareness. Initiated a process & guidance for ensuring that control system devices are checked for virus/worm infection prior to being connected to process control networks. | ||