We complied some great resources to enhance the learning experience. Note: we’re not officially endorsing or involved in the listed groups/organizations. These are just recommended by industry professionals.
The best hacking Meetup in Orange County – https://www.meetup.com/LETHAL/
Offensive Security Training – https://www.offensive-security.com/
Need stickers for your laptop? – http://hackerstickers.com/
Metasploitable 2 (A vulnerable VM image you can use to test security tools) – https://community.rapid7.com/docs/DOC-1875