Russia’s Internet Research Agency (IRA) launched an extended attack on the United States by using computational propaganda to misinform and polarize US voters. This report provides the first major analysis of this attack based on data provided by social media firms to the Senate Select Committee on Intelligence (SSCI).

Social media sites like Twitter enable users to engage in the spread of contagious phenomena: everything from information and rumors to social movements and virally marketed products. In particular, Twitter has been observed to function as a platform for political discourse, allowing political movements to spread their message and engage supporters, and also as a...

Drawing from a corpus of over 50 million Russian-language tweets collected between for a year until March 2011, this US paper creates a network map of 10,285 users comprising the ‘discussion core,’ and clustered them based on a combination of network features. The resulting segmentation revealed key online constituencies active in Russian Twitter The major...