The article explores the problem of protecting confidential customs information. The necessity of separating the confidential and open parts of the
information of the cargo customs declaration is substantiated. The norms of international normative legal acts, by the example of the Kyoto Convention, as well as the basis of the legislation of the Russian Federation and the USA on the problem in question are analyzed. The dynamics of registered offenses in the field of protection of trade secrets in business relations of the Republic of Uzbekistan is given. The main problematic issues of modeling the open and confidential components of the content of the cargo customs declaration are formulated. The methodology of assistance to the reduction of cyberattacks to the customs information database is proposed.