Jaroslaw Kaczynski, the leader of the Poland Law and Justice party (PiS) blames Russia for the recent cyberattack targeting top Polish politicians. The hackers breached the private email account of Michal Dworczyk, the head of the prime ministers office and member of the ruling PiS party. The media reported that the politicians targeted by the hackers used their private Gmail accounts for communications, instead of using their secure government accounts. The emails were later leaked through the instant messaging system Telegram.”]
Source: https://securityaffairs.co/wordpress/119169/intelligence/poland-blames-russia-cyberattack.html