hacking sites and back tracking os

www.i-hacked.com
www.hackingalert.com
http://is-ra.org/forum/
www.mobilepundit.com

www.backtrack4.blogspot.com
http://www.freeebook4u.net/2012/09/adobe-photoshop-cs6-on-demand-2nd.html
http://hackit.co/
 http://www.ankitfadia.in/Hacking_Mobile_Phones_by_Ankit_Fadia.html
http://tweaks.com/books/