http://www.silentunknown.com/

SilentUnknown.com is one of the most trustworthy and complete forum where people can be ready to learn about the world of h4cking!
The forum really cares about their members and this is a useful resource in any ways, as it is intended to be for educationnal purpose only.
This community is wonderful and will lead you into a good path! The site does not contain any form of malwares for the protection of the admins, the staff, and all the members.
 It teaches members how to resolve issues and help others in the world of technology.