The Hacktivity 2011 call for paper has been announced. It will be held from September 17th through the 18th, 2011 in Budapest, Hungary.
You can download it from the following link: https://packetstormsecurity.com/files/download/100946/Hacktivity2011_CFP_en.pdf
Source: https://packetstormsecurity.com/files/100946/Hacktivity-2011-Call-For-Papers.html