Identity as a Service (IDaaS) is a cloud-based identity and access management model that allows organizations to outsource their identity infrastructure to specialized third-party providers, thereby reducing costs and technical overhead. This approach is contrasted with traditional identity management, which requires significant internal resources, expertise, and investment in hardware and software. IDaaS offers advanced features such as authentication, authorization, user provisioning, and single sign-on, enabling businesses to manage user identities with minimal coding and focus on their core operations. The rise of credential theft, as evidenced by incidents like the AT&T breach, highlights the importance of robust identity management solutions. IDaaS not only enhances security and user experience but also ensures compliance with regulations and provides customizable user journeys. Providers like Descope offer comprehensive IDaaS solutions that streamline user onboarding, improve conversion rates, and maintain a strong security posture, making them an attractive option for businesses looking to simplify identity management while maintaining flexibility and scalability.