Grumpy Old Geeks Companies DEF CON Company DEF CON 2 mentions in 1 episode A hacker convention whose founder asked federal personnel to consider staying away that year. Mentions 16: Sum Ting Wong Jul 14, 2013 35:51 The founder of DEFCON this year, Jeff Moss, has made a request asking that the feds not show up. 40:11 He was asking politely for feds to consider not attending.