Gigs at DEF CON (or other conferences)
DEF CON 27
DC 27 Shoot Badge Challenge Walkthrough
DC 27 Shoot badge user manual
DC 27 Shoot badge challenge entry point
DEF CON 29
DC 29 Tor Badge Challenge Walkthrough
DEF CON 31
Sneaky badge announcement
Sneaky Badge for sale
DC 31 Sneaky Badge Challenge trailhead