The internet has become an integral part of everyday life in the 21st century. It is now the most widely used and easily accessible medium, which continues to spread. A vast majority of people access the internet every day or almost every day. As lifestyle changes, so does computer literacy, and an increasing number of children, even at a younger age, can easily access the internet or use internet-enabled devices. It can be said that some children are more digitally literate than their parents. In fact, children today grow up surrounded by media and are exposed to it from birth. Given that parents are the most important factors in a child's upbringing, it is crucial to understand their attitudes towards the internet, their knowledge of online content and their awareness of their children's internet habits. The aim of this research is to examine the attitudes of parents of preschool-aged children regarding the use of the internet and internet-enabled devices, their opinions on appropriate internet content for children of this age, as well as the advantages and disadvantages of internet use in the preschool years. Additionally, the goal is to assess parent’s knowledge of their children's internet habits. The research was conducted in two parts. The first part involved parents of preschool- aged children (N=90), who completed an online survey designed for the research. The survey included questions related to internet usage habits and access devices for both parents and their children. In the second part of the research, ten parents participated by completing a survey in person, and their children were interviewed using a semi-structured interview format, which allowed for a direct comparison between the parent’s assessments and the children's responses. The results indicate that parents were mostly focused on the positive aspects of the internet and its benefits, though they were also aware of the potential downsides and their own lack of knowledge about the possible dangers of online content. Their assessments of knowledge about the content their children are watching online only partially matched the children's responses. This suggests that parents overestimate their knowledge about their children’s internet habits. The findings highlight the importance of parental supervision when children use the internet and the need for educating parents about new developments in online content and methods for supervising children.