OH warned me about this yesterday so as a Mac user, I went to check my software updates. Sure enough, part of the update was a Java security one. Hopefully, if I have got this Trojan, it will now be sorted out.
Mind you, I am one of those computer user's who after using it, put it to sleep, so maybe a botnet intrusion wouldn't be so effective so its always best to check things. I do have a free anti-virus programme but being free, who knows how effective it is.
Anyway, here is the link:http://www.bbc.co.uk/news/science-environment-17623422
as well as the main part of the actual announcement just in case it is removed before you get a chance to read it: