Compliant Operating System (OS)
A compliant operating system is any operating system that meets specific standards established by an entity. For example, if an organization wanted to create a CIS-compliant operating system, it would need to meet the standards set forth by the Center for Information Security, whose sole purpose is to “create confidence” in the connected world. A virtual machine image (VMI or image for short) is a bootable copy of the operating system of a virtual machine in the cloud.