http://www.subsim.com/radioroom/showthread.php?t=175206
That FAZ article still is the most elaborated article on the issue I have seen so far. The rumours that the Iranian problems result from a foreign-launched cyberspace attack, are around since quite some time now, it is just that not before now the analysis has lead to the conclusions that it was that indeed: the probably first digital war-attack of this kind.
Candidates being able to do this by competence and monetarian funding, are not many: America, Israel, Russia, China, India, Japan. That the EU is behind it, I cannot imagine - due to lacking determination and courage.