1.) The Reason of Hacking is “Nuclear weapons. its development and financing”
2.) They hack Tomcat 5.5 Server using 1337day privat exploit (0day) .
3.) They get the root privilege to the Server.
4.) They are able to Deface the website of NATO also, but they will not do this. They have just take the backup of server and trying to distribute that on Internet.

O backup do arquivos random encontra-se aqui.
Mais informação aqui.