Call For Papers for Positive Hack Days 10 which will take place in Moscow, Russia May 13th through the 14th, 2020.
You can download it from the following link: https://packetstormsecurity.com/files/download/156115/phdays10-cfp.txt
Source: https://packetstormsecurity.com/files/156115/Positive-Hack-Days-10-Call-For-Papers.html