Abstract
Contemporary world brings people more and more dangers. Creation of the Internet made it even easier to harm other users without consequences. However we still can do something about it. We can learn how to protect ourselves in the network. That is why it is so important to disseminate the main goals of safety management while using Internet. The paper presents main dangers awaiting for network users – both the youngest and the older ones, such as cyberbullying or phishing. The authors also point to the more frequent Internet addiction. The main goal of this paper is to indicate on how the on-line safety management should look like and how people can protect themselves from the dangers, of which they are sometimes even not aware. Children and adults shall be educated about the dangers in the Internet, and how to avoid them. Only then will they know, how to properly manage their on-line safety.