B D E I K L M N O P R S V W Id In Io Ida Idp Home » Datasphir Glossary » IDaaSIDaaSby AbigheJune 23, 2023Identity-as-a-Service: Identity-as-a-service, or IDaaS, is an application delivery model (like software-as-a-service, or SaaS) that allows users to connect to and use identity management services from the cloud.