Security experts say Stuxnet attacked the software in specialized industrial control equipment made by Siemens by exploiting a previously unknown hole in the Windows operating system.

安全专家称，该病毒通过利用Windows操作系统以前的未知漏洞专门袭击西门子控制设备。

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Control system adopt controller can programmed which compose distributed structure belong to Siemens Corp. S7-300 series.

控制系统采用西门子公司S7 - 300系列可编程控制器组成分布式的体系结构。

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Siemens' scope of supply includes: train control and diagnosis system, traction inverter, auxiliary inverter, brake resistor, HV box and Pantograph, as well as traction motor and gear box.

西门子负责的部分包括：列车控制及诊断系统、牵引逆变器、辅助逆变器、制动电阻、高压箱及受电弓，以及牵引电动机和齿轮箱。

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Now, if Areva wanted to harm Siemens reputation or make it less attractive to Rosatom, what better way than to demonstrate the unreliability of its control system software?

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