Social media are not only a space for making contacts and strengthening social ties, but also an increasingly important source of information. This fact is very crucial in the context of political communication. On the one hand, social networks have created a new platform of interaction between politicians and citizens,in particular during the electoral campaign, but on the other, due to its structure based on the rapid and direct flow of information, they proved to be an effective tool for spreading false content, so-called fake news and misinformation. This negative trend, most visible during the presidential elections in the United States in 2016, has become an impulse to undertake extensive measures to combat this practice. Among many entities engaging in campaigns against fake news, there were primarily enterprises from the ICT industry, but also governments, media publishers and international organizations. The main aim of the article is to indicate the most important actions taken (by the end of January 2018) in order to fight disinformation on the Internet. The text will also focus on the analysis of this activity in the context of potential danger of increasing control over the flow of information on the Internet and introduction of censorship on a mass scale.