Among the documents posted, at least three appear on both sites. The documents posted by CyberBerkut have been edited to try and show that Open Society provides significant financial support to Navalny. The Kremlin hates George Soros because Open Society, his marquee philanthropy, focuses on boosting democracy in the former Soviet bloc and elsewhere. Both DCLeaks.com and Cyber Berkut have links to Russian security services, but the exact extent of that relationship remains shrouded in mystery. It is certainly also possible, he said, that the two groups independently hacked Open Society and posted the same, but slightly different, documents.
Source: National Post August 24, 2016 15:00 UTC