:small_orange_diamond: Bugcrowd University - open source education content for the researcher community.
+ :small_orange_diamond: Hopper's Roppers Intro to Security - A community built around a free, self-paced curriculum that builds a base of knowledge in computers and networking prior to moving on to the fundamentals of security and defense. The course is intended to build up a student with no prior technical knowledge to be confident in their ability to learn anything and continue their security education.
:small_orange_diamond: OSCPRepo - a list of resources and scripts that I have been gathering in preparation for the OSCP.
:small_orange_diamond: OWASP Top 10: Real-World Examples - test your web apps with real-world examples (two-part series).
:small_orange_diamond: phrack.org - an awesome collection of articles from several respected hackers and other thinkers.