The concept of organization is known to everyone, but there is still no uniquely established content. Many theories have been developed, but common to all these theories is that the organization is a deliberate human action of interonnected individuals with the intention of achieving set goals. The organizational structure is the most important part of any organization. It is a system in which the people from certain area of the organization are interconnected and preform certain tasks in order to achieve their goals. Information and knowledge are two fundamental resources for a successful buisness. The exponential growth of modern technology is becoming the most influentail factor of the organization. Information technology is an activity and technical equipment that collects, stores, processes and exchanges individual information. In organization to make quality decisions, it is important that the informations are accurate, timely and reliable. Software, computers, computer networks and electronic buisnesses were introduced into the organizations which enabled better market position and buisness opportunities. In addition that information technology provides great opportunities for the advancment of human activities, it also provides for abuse and criminal activities. This can be prevented by putting security measures in technological equipment. Arena Hospitality Group d.d. is a hotel company that manages high-category accommodation facilities. This company is leading travel company when it comes to new technological trends in market. They implement these trends in the company before other competitors, and thus also lead to the growth and development of the company.