Company “Ukrnafta” (the leading Ukrainian oil and gas company) has implemented the "Web-Observer", the development by Finport Technologies company, to provide prompt monitoring of the information flows. Web-Observer is a software product designed for collection, notification, identification and organization of system controlling external information flows. The adjustment of the system for the information sources considered important by the user, flexible, adjusted, multilevel filters allow excluding the “information trash” from the created database and notifications. According to their purposes, the modules belonging to the system solve different user’s tasks, namely, quick review of the materials published in the Internet, forming publication collating on the required subjects and mailing it, notifying the customers on the publications’ location, advanced information search in the accumulated publication base.