Contemporary business is permeated by numerous opportunities for the development of various professions, but also the risks associated with them. One of the most common is the violation of ethical rules or standards, and the risks associated with it. Because of its importance, ethics is spoken of in the context of different professions. The aim of this paper is to understand the contribution and importance of ethics in the auditing profession in the contemporary business, primarily from the aspect of the possibility of prevention and the occurrence of fraud activities in companies. Therefore, the research reviewed in the paper stems from the analysis of the content of documents and their synthesis, reviewing the development of business practice and critical points.