Given the importance of information technology ethics in the knowledge society, this study represents a review of the previous work done by researchers in this field, and the subsequent ethical issues in this domain. At the basis of the study is the PAPA theoretical model based on four ethical issues, such as privacy, accuracy, property and accessibility aspects. The aim of the research is identifying, in current studies, the main categories of ethical issues in the use of information and communication technologies. There were analyzed the studies achieved in 30 published papers starting with the year 2000, in order to observe whether there are any changes in research topics or methodology related to the ethics attitude and awareness of technologies users. The categories of ethical issues in the use of information and communication technologies are the following: general ethical issues, software piracy, plagiarism and cheating phenomena, computer security.
Key words: ethical issues, information and communication technologies, review