DEF CON 27, Voting Village - Jake Braun's 'Lessons Learned DEF CON Voting Village' → January 27, 2020 by Marc Handelman in Conferences, DEF CON 27, Education, Election Security, Information Security Thanks to Def Con 27 Volunteers, Videographers and Presenters for publishing their superlative conference videos via their YouTube Channel for all to see, enjoy and learn.