https://www.theguardian.com/technology/2017/dec/02/fake-news-botnets-how-russia-weaponised-the-web-cyber-attack-estonia
The Kremlin has used the same strategies against its own people. Domestically, history books, school lessons, and media are manipulated, while laws are passed blocking foreign access to the Russian population’s online data from foreign companies – an essential resource in today’s global information-sharing culture. According to British military researcher Keir Giles, author of Nato’s Handbook of Russian Information Warfare, the Russian government, or actors that it supports, has even captured the social media accounts of celebrities in order to spread provocative messages under their names but without their knowledge. The goal, both at home and abroad, is to sever outside lines of communication so that people get their information only through controlled channels.