Infected New HMI Infects Chemical Plant DCS
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.
|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.|