The Hacktivity 2015 Call For Papers has been announced. It will be held from October 9th through the 10th, 2015 in Budapest, Hungary.
You can download it from the following link: https://packetstormsecurity.com/files/download/132003/Hacktivity2015-CFP.txt
Source: https://packetstormsecurity.com/files/132003/Hacktivity-2015-Call-For-Papers.html