“Pravex-Bank” was founded in 1992. Today it takes the leading place in retail banking business. There are over 590 branches and 2700 points for consumers crediting in its structure. Pravex-Bank does a lot of work analyzing and preventing possible unlawful acts, debugging confidential information leak channels, carrying out the researches to determine the risk factors in relationships with the customers and contractors. The “Web-Observer” system was implemented in “Pravex-Bank” to provide prompt monitoring of the information flows and timely reaction to the existing situation, and to create a common knowledge base for information support of decision-making. The system solves the following tasks: automatic collection of unstructured data from open sources (Web-sites, e-mailing, mail, intracorporate documents, etc), bringing it to a common structure, forming personal publication flow on professional subjects for each of the users, making reports on the needed subjects and converting the results into Word and Excel document formats.