Integrity, objectivity, the acquisition of specialized competence and professional behaviour are some of the fundamental elements of the professional ethics principles that must be considered by a future professional accountant. At the same time, he or she should encounter the challenges that are specific for this activity. These can be selfinterest, self-review, representation, familiarity, intimidation, etc., which must be identified and handled with great care by a professional accountant, so as to ensure the credibility of the chosen profession. The aim of the research is to highlight the types of threats that can affect the work of accounting professionals, as well as the protective measures that could eliminate or reduce them to an acceptable level. In order to achieve the goal set, the author used the research, qualitative methods, in particular, observation, analysis and documentation.