“Guccifer 2.0” has claimed sole responsibility for the breach of the Democratic National Committee’s systems. Documents include a 237-page Word document titled the “Donald Trump Report” The document is a comprehensive background briefing on the presumptive Republican presidential nominee. Forensic clues point to two known groups nicknamed Cozy Bear and Fancy Bear, both of which may be linked to the Russian government. The hacker contested the DNC’s assertion no financial data was compromised in its breach. Efforts to reach the hacker were unsuccessful.”]
Source: https://www.cuinfosecurity.com/lone-hacker-claims-to-have-breached-dnc-a-9202