IT infrastructure refers to the physical components and resources necessary for the operation of information technology services within an organization. This includes hardware such as servers, storage devices, networking equipment, and software applications that support various business processes. IT infrastructure also encompasses data centers, cloud computing services, and virtualization technologies that enable the storage, processing, and transmission of data across different devices and platforms. The goal of IT infrastructure is to provide a reliable and secure environment for the efficient functioning of IT systems and services to meet the needs of the organization.