The cloud is a major point of interest for everyone, from small businesses to the largest of enterprises, but it also remains a broad concept that can be tricky to understand for those not familiar with the offerings. As a business begins to entertain the idea of switching to the cloud, it is important to understand the cloud service offerings available to best suit your needs. Although there are more as-a-service types up and coming, there are three main service types that lay the foundation of modern cloud services: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). We will discuss what they are, shared responsibility, when to use them, and the benefits of each.