The call for papers for hardwear.io 2021 is open. It will take place July 9th through the 10th, 2021.
You can download it from the following link: https://packetstormsecurity.com/files/download/161898/hardweario2021-cfp.txt
Source: https://packetstormsecurity.com/files/161898/hardwear.io-2021-Call-For-Papers.html