Get Involved. Want to participate? There are a myriad of ways! DEF CON is what you make it. If you'd like to do more than just attend, have a look at our Get Involved page for ideas! Year round, consider joining a local DEF CON Group, or get active on the DEF CON Forums! .onion Links defcon.org media.defcon.org defcongroups.org Future Dates DEF CON 31 Aug. 10-13, 2023 Book a Room! Call for Ideas!