Stuxnet, which targets supervisory control and data acquisition systems made by Siemens AG, was created as early as June, 2009, according to Symantec Corp. researchers. Some claim the malware creators stole encryption keys made by Realtek Semiconductor Corp. and JMicron Technology Corp.
The Stuxnet worm affecting supervisory control and data acquisition systems made by Siemens AG may have been spreading since as early as January. Symantec Corp. says most systems affected by the worm are in Iran
German manufacturer Siemens AG warned users that removing the Stuxnet worm discovered last week could affect industrial operations. The malicious software is written for supervisory control and data acquisition systems.