Managed Service Providers or MSPs: The MSP has probably the most well known title in this field. In recent years the term MSP has come to be used so often that it is often simply used to denote any IT service provider, whether or not they provide something that would appropriately be deemed to be a “managed service.” To understand what an MSP is truly meant to be we have to understand what a “managed service” is meant to be in the context of IT.