The purpose of the article is to examine the role of the National Police of Ukraine in ensuring the information security of Ukraine. The subject of the study: The subject of the study is the competence of the National Police of Ukraine in ensuring the information security of Ukraine. Methodology: Dialectical method, epistemological method, analytical method, formal and legal method, normative and dogmatic method, the methods of legal modeling and forecasting were used in the research. The results of the study: The definition of “information security” and “cyber security” is provided. The main factors that negatively affect the information space in Ukraine, as well as current threats to Ukraine’s national security in the information sphere are identified. Practical implications: It is established that the number of crimes in the information sphere is growing every year. In this regard, the task of the National Police is to combat crimes and other offenses in this area, as well as to protect relevant rights and freedoms of citizens, society and the State. Value/originality: The tasks and powers in the area of information security protection of the National Police in general and the Department of Cyber Security, in particular, are defined.