This article shows the meaning of hate speech and its areas of study. In addition, their classification shown, depending on the scope and purpose. That is, hate speech includes discrimination (restriction of human rights with excessively sloppy words), offensive language (discrimination with negative words, humiliation), cyberbullying (insulting or harassing a person on the Internet), extremism (exchange of excessively negative opinions of a political and religious orientation) and radicalism (verbal abuse and criticism of the political environment in which he lives). Classification data, areas of their application in Kazakh society and ways of meeting identified. The article talks about the types of hate speech words in online content and the impact on a person. The result of the article identifying hate speech and how to defend against them. Modern social networks such as Instagram, Facebook, Twitter and others have added additional features to protect their users from cyberbullying from other accounts.