"[T]he Russian government employed a second form of interference: cyber intrusions (hacking) and releases of hacked materials damaging to the Clinton Campaign. ...the Main Intelligence Directorate of the General Staff of the Russian Army (GRU) carried out these operations. ...The GRU stole hundreds of thousands of documents from the compromised email accounts and networks. ...disseminating stolen materials through the fictitious online personas " " and "." The GRU later released additional materials through the organization WikiLeaks."
January 1, 1970
https://en.wikiquote.org/wiki/Mueller_Report