The number of bugs in a chip is relatively proportional to the number of transistors - Bob Colwell, former Intel chief architect
The sites can be found here , here and here. A mirror of the defacements can be found here and here and here.
According to zone-h.org the attack against Sony BMG websites was carried out by one defacer, presumably from Turkey, who signed using the nickname "LuCky_Luke".
The Warner attack was performed by a crew of defacers who come from Chile, known as "byond hackers team". That attack seemed to come from people who don't like capitalism much. ยต
L'INQ
zone-h.org