While IT continues to deliver new and varying apps, lines of business and even individuals are now also adopting apps independently of IT at an astonishing rate. As a result, employees typically need to authenticate with a dizzying array of systems, with each app representing another silo of identity for IT to manage. An identity-as-a-service (IDaaS) solution can manage and simplify access to apps, but there are a number of feature, architecture, and maturity considerations when selecting an IDaaS. This white paper discusses six of the top considerations.