The article points out the problem of legal regulation and ensuring cybersecurity in the aviation sector. This issue has acquired particular relevance in connection with the increasing level of development of information technologies in the aviation sector. The author analyses in detail the existing international standards and norms for ensuring aviation cybersecurity, substantiates the implementation of various initiatives and technologies on this matter. The study analyses the existing strategies and plans of international organizations in the aviation area and indicates the opinions of experts on the possibilities of solving the problems of cybercrimes in this area. To achieve the goals set for the study, the author actively uses dialectical, comparative, systemic, formal-logical, logical-normative, and statistical scientific methods. The article points out the need to harmonize national legislation with existing international regulations, and also provides recommendations for improving the level of cybersecurity in Ukraine and the world. The author also concludes that to achieve the goal of ensuring universal cybersecurity in the field of aviation, it is necessary to combine efforts not only by air carriers but also by all actors interested in maintaining the quality and safety of flights, as well as by national governments.