"We discovered that the intruders had planted a file on one of our Sony Online Entertainment servers named 'Anonymous' with the words 'We are Legion.'"
So, while it's still possible (but supremely unlikely, in my opinion) that Anonymous wasn't behind the attack on PSN as they claim, it appears that they were most definitely behind the more recent attack against SOE.
So, while it's still possible (but supremely unlikely, in my opinion) that Anonymous wasn't behind the attack on PSN as they claim, it appears that they were most definitely behind the more recent attack against SOE.