Thanks to "Symantec Security Response" for providing this information. 

It has been about a week since news of the mysterious Hydraq Trojan (also known as Aurora) attack broke with the unveiling of a threat by Google to pull its operations out of China. In between then and now there has been a lot of rumour and debate about all aspects of this attack with many truths and mistruths being carried in public.

As the fallout from this event begins to settle a little, it helps to step back a bit and try to figure out exactly what happened and when. We will try and tell you the facts about this Trojan as we see it.

Large companies are common targets for hackers and attackers of various kinds and it is not uncommon for these companies to be actively monitoring traffic to and from their critical IT infrastructure. So it comes as no surprise that Google announced in its blog on the 12th January 2010 that it was the target of what it termed as a “...