Call For Papers for Positive Hack Days VII which will take place May 23rd through the 24th, 2017 in Moscow, Russia.
You can download it from the following link: https://packetstormsecurity.com/files/download/139859/phdays7-cfp.txt
Source: https://packetstormsecurity.com/files/139859/Positive-Hack-Days-VII-Call-For-Papers.html