The Shmoo Group is a non-profit think-tank comprised of security professionals from around the world who donate their free time and energy to information security research and development. They get a kick out of sharing their ideas, code, and stickers at DefCon. Whether it's mercenary hacking for CTF teams, lock-picking, war-flying, or excessive drinking, TSG has become a friendly DefCon staple in recent years past. Visit for more info.