What´s that?
File http://www.yiiframework.com/forum/cache/jht.txt:
"YiiFrameWork is Secure? Professional? Fast? LOL
Selamat Hari Sumpah Pemudah Indonesia!!!
Hacked By Jember Hacker Team
Thanks To: Unwanted, Wayc0de, OrangKeren, Wuedan, PlengeH And All Member JHT"