Russia’s most recent aggression has resulted in its geopolitical, financial, economic, as well as online isolation. Russia’s Internet is changing rapidly due to censorship and surveillance regulation; laws introducing technical requirements for the independent functioning of the Internet; Western sanctions; and the exit of key IT providers from the Russian market. But efforts to create a self-reliant Russian Internet are not new. Over the last decade, Russia has introduced regulations to shape a distinct online sphere. This paper provides an overview of Russian Internet governance, examines the cyber aspect of the ongoing war, and analyses the current developments and their effects on cyberbalkanisation.