The approaches to interpretation of the essence of “information resources” category have been analyzed. The conditions of the efficient use of information resource components in the conditions of increased requirements for organization of an enterprise’s information environment have been investigated. The advantages of using modern information systems allowing to optimize all enterprise business-processes grounding on formation of a unified consolidated information base have been considered. The status and advantages of using ERP-systems at Ukrainian enterprises as well as the factors having an impact on making decisions regarding their implementation or replacement by more perfect ones have been evaluated. The issues of using enterprise information resources in the conditions of martial law have been studied. The measures taken to ensure information security of enterprises have been provided. The market of modern equipment and software used to open up the opportunities for improving quality of enterprise information resources has been analyzed.