exploit kitsの70パーセントはロシア製？

下記の記事が出ている。

　70 percent of exploit kits come from Russia, says report
　ZDNet: January 23, 2013
　http://www.zdnet.com/70-percent-of-exploit-kits-come-from-russia-says-report-7000010182/

　Report: 70% Of Exploit Kits Out Of Russia
　dark READING: January 22, 2013
　http://www.darkreading.com/threat-intelligence/167901121/security/vulnerabilities/240146763/report-70-of-exploit-kits-out-of-russia.html