"The most recent leak appears to show emails discovered in accounts linked to Inal Ardzinba, Mr Surkov’s first deputy, and to a Ukrainian Communist party leader.
It is claimed that the emails hint that the Kremlin funded local individuals and groups in Ukraine that were willing to advance its goal to fracture the country."
https://www.express.co.uk/news/world/940435/Russia-news-leaked-emails-Ukraine-hacking-war