TOP-HAT-SEC has one of the best InfoSec and White-Hat Hacking forum and community on the internet today. They have a chat for members and hundreds of helpful topics. Anyone from all skill levels are welcomed. They also provide some of the highest quality of training at more than reasonable prices. Public membership is closed however people who are serious may want to consider a yearly membership for the price of a coffee and snack at starbucks. They also offer certifications on some of their courses. http://www.top-hat-sec.com
Offensive Security has offered top notch training for years now. They are the official training organization for the BackTrack penetration testing OS and the new Kali Linux. They also provide certification and are highly respected in the security community. http://www.offensive-security.com/
eLearnSecurity also has many training courses and labs online for the serious student. They are very similar with Offensive Security and have proven to be a leading innovator in the field of practical security training. Best of breed virtualization technology, in-house projects such as Coliseum Web Application Security Framework and Hera Network Security Lab, has changed the way students learn and practice new skills.