Defcon dates are slightly different each year and this is the first time they collide. CCC dates were set pre-covid. https://en.wikipedia.org/wiki/DEF_CON#Venu

Defcon dates are slightly different each year and this is the first time they collide. CCC dates were set pre-covid. https://en.wikipedia.org/wiki/DEF_CON#Venues,_dates,_and_attendance https://en.wikipedia.org/wiki/DEF_CON#Venues,_dates,_and_att... https://en.wikipedia.org/wiki/Chaos_Communication_Camp https://en.wikipedia.org/wiki/Chaos_Communication_Camp