DEF CON 27, Voting Village - Marian Schneider's 'Voting Systems Are Insecure: Lets Just Vote On Phones' → January 24, 2020 by Marc Handelman in Conferences, DEF CON 27, Education, 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.