The increasing development of information technologies and their application, imposes more and more questions and related risks. Internal control brings great benefits to all company activities, but there are also risks associated with it. The advantages of using information-communication technologies are multiple, but the computer environment, in addition to numerous advantages, has also led to many problems. This paper examines internal control in a computer environment. The advantages and disadvantages of internal control are pointed out and the ways of future research of these topics. The conclusion is that the internal control system has been raised to a higher level in the computer environment. The higher level of development opens new questions, and new opportunities and problems arise.