Stuxnet worm targeted high-value Iranian assets.

The recent war is not with guns and battleships but with computer viruses, One of the most sophisticated pieces of malware ever detected was probably targeting high value infrastructure in Iran. Stuxnet's complexity suggests it could only have been written by a nation state, some researchers have claimed. It is believed to be the first-known worm designed to target real-world infrastructure such as power stations, water plants and industrial units. It was first detected in June and has been intensely studied ever since.

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