The aim of this work is to evaluate the usefulness of internal audit in a specific organization, which is focused on information and communication technologies. The first part of the document describes theoretical background obtained by comparation literature and Internet sources analyzing. There is also described the history of the internal audit, its importance and development, the progress of the internal audit, the final report, the types of internal audits and the difference between internal and external audit.. The second section contains conclusion of practical activities based on specific company. In the beginning, there is description of internal audit and control department, which was observed over a certain time interval. It was ...