The Stuxnet Trojan is very well covered in the media as more and more details about its sophisticated code become public. It abuses four previously unknown security vulnerabilities in Windows to enter the system and is specialized on attacking Siemens processing systems. An interesting information which didn’t get much attention yet comes from heise Security: The nuclear plant in Busheer isn’t really the target of the worm as rumours say, as the attacked systems aren’t approved for usage in nuclear plants.