Reddit/HowToHack Learn and ask about hacking, security and pen testing.
Reddit/hacking Discuss about hacking and web security. ax0nes Hacking, security, and software development forum. 0Day.rocks on discord Discord server about the 0day.rocks blog for technical and general InfoSec/Cyber discussions & latest news. Reddit/AskNetsec Discuss about network security, ask professionals for advices about jobs and stuff.