Resumen
The article deals with issues related to cybersecurity in the digital economy. This paper provides a survey of research projects funded by the European Community, which address various issues of cybersecurity. The authors of the article believe that it will be useful for Russian researchers in this field to become familiar with the practice of the EU in this direction. Much attention is paid to the work on the creation of practical ontologies. Their results are published for wide discussion and practical use. The developed formal ontologies in artificial languages can be joined together and are designed to ensure the compatibility of data and applications, as well as their transparency throughout life cycles. It is the ontological approach that allows to calculate the basic control indicators of projects and, for example, to guarantee the fulfillment of the declared business rules.