You all should take a look at the following article.
Exclusive: Third attack against Sony planned | Circuit Breaker – CNET News.
In this article, it says two things, anonymous is and is not responsible. You can learn more on the Security Now program from Twit in the last few podcasts, 297-299. If there are going to be attacks, Soni, you better wtatch out. Keep stuff offline if you need to.