CROC has completed the project developing the Data Leak Prevention system for Novaya Perevozochnaya Kompaniya (NPK). In the result of the project the practices on management of information security of NPK has been optimized on the whole territory of the Russian Federation. The solution developed by CROC under the single platform will enable the company to ensure an automated control of the whole external information in terms of its confidentiality and legitimacy based upon the corporate policy and security of NPK. The Data Leak Prevention system is based on the software product Symantec Data Loss Prevention representing a general solution for detection, control and security of confidential information under the corporate information system of NPK. DLP system prevents from confidential information leakage, as well as has the tool to analyze and investigate the incidents.