The paper deals with internet trolls in the digital space, with an emphasis on their operation and the consequences that internet trolling causes. It has been established that trolling is a widespread phenomen on nowadays, which is accelerated by the development of social networks and specific online communication patterns. The paper explains the concept and types of social networks. The three most popular by number of monthly users stand out. There are different types of Internet trolls and different ways in which trolls achieve different goals and meet needs. They most often act out of anonymity, which makes it difficult to identify or trace them. How trolls operate in the online environment explains the concept of communication in the online environment, the process and types of communication. It also points out the advantages and disadvantages of written and electronic communication. The paper explains the types of trolls as well as their psychology and what consequences they leave behind. The consequences of trolling can be fatal, depending on the type of trolling used. Sometimes they will be harmless, sometimes they will result in frustration, stress and loss of time, and sometimes they will result in loss of life. In addition to such consequences, trolling has economic consequences and can be used for political purposes. Given the extremely negative consequences that internet trolling can have on victims and society, the importance of prevention and control has been emphasized. However, regardless of the quality of the legal frame work and other preconditions for suppression and prevention, due to different levels of anonymity, it is still difficult for trolls to track down.