The main purpose of this study is to - examine the security issues of data stored in cloud services. The authors of the article discuss the main problems associated with an insecure and incorrectly configured cloud database, which can lead to leakage or distortion of information of Russian citizens and organizations. In the course of the study the authors come to the conclusion that in order to protect their data it is necessary to use cloud storage providers located on the territory of the Russian Federation (hereinafter referred to as RF), use a hidden storage system, regularly update and monitor the system to identify vulnerabilities and prevent possible attacks. In addition, ways to solve the problem and effectively protect information stored in cloud services, including at the legislative level, are proposed.