Abstract: The purpose of this article is to summarize some specific features of the contemporary digital world and the relation of the new network technologies to the privacy and protection of the individual’s life. A brief survey of the actual opportunities of the global network as e-services, cloud and social computing, Internet of Things (IoT), Machine to Machine communications (M2M), etc., is made in the paper. The implementation of these technologies in distributed information systems and environments could create some problems for individuals and disturb their privacy. In this reason, some important challenges for individual’s privacy and security are determined and summarized in the paper.