Using the Internet is inseparably connected with building the awareness of its users, hence the tasks that arise for a modern man in relation to information technologies, especially in terms of online threats. Children are particularly vulnerable. The most common threats include: contact with pornographic content, contact with violent materials, contact with pedophiles, internet addiction, contact with online cheaters, unconscious participation in illegal activities, financial consequences, unconscious disclosure of information. The purpose of the article was to indicate tasks for parents along with identification of dangerous situations affecting children's behavior. Readers will also learn about forms of sexual abuse of children on the Internet and methods of filtering Internet content. The adopted research method is a qualitative analysis supported by the retrospective analysis technique.