DEF CON is the worlds largest Hacker conference held every year at the beginning of August in Las Vegas, NV. Similar to the 2600 user groups, DEF CON has its own local chapters all around the world and DC801 is the Salt Lake City chapter.
DC801 meetings are hosted by the 801 Labs Hacker Space and supported by 801labs memberships. All DC801 meetings are free and open to the public. DC801 focuses on all aspects of security and information technology. DC801 has a weekly meetings along with a monthly presentation.