The 16th CarolinaCon was postponed in 2020 due to the pandemic but the conference will be hosted online in 2021. A new CFP has been announced.
You can download it from the following link: https://packetstormsecurity.com/files/download/160723/carolinacon-2021-cfp.txt
Source: https://packetstormsecurity.com/files/160723/CarolinaCon-16-Call-For-Papers.html