DEF CON 27, Red Team Offensive Village, Nathan Sweaney's 'Casting With The Pros: Tips And Tricks' → January 12, 2020 by Marc Handelman in Conferences, DEF CON 27, Education, Information Security, Red Team 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.