Just in from Siemens Industry:

“Siemens was notified about the malware program (Trojan) that is targeting the Siemens software Simatic WinCC and PCS 7 on July 14.  The company immediately assembled a team of experts to evaluate the situation and is working with Microsoft and the distributors of virus scan programs, to analyze the likely consequences and the exact mode of operation of the virus.

“It has so far been established that the Trojan, which spreads via USB sticks and uses a Microsoft security breach, can affect Windows computers from XP upward. 

“Siemens is taking all precautions to alert its customers to the potential risks of this virus. We have reached out to our sales team and will also speak directly to our customers to explain the circumstances. We are urging customers to carry out an active check of their computer systems with WinCC installations. There are already three virus scan programs recommended for Siemens systems from Trend Micro, McAfee and Symantec, the latest versions of which can detect the Trojan. The effect of deploying these programs on the runtime environment are currently being analyzed and an approval will be issued shortly.”

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