IAM vs CIAM Comparison
| IAM | CIAM |
|---|---|
| Designed to manage the thousands of identities found in modern organizations. Has limited ability to handle sudden spikes in authentication and authorization requests. Suited to business-to-business environments. Each user generally has a single identity. Identities are created by the organization for employees or contractors. Primarily used for authentication and authorization with strict security policies for business applications. | Designed to support millions of customers or consumers of an organization. Built to handle sudden fluctuations in authentication and authorization requests. Suited to business-to-consumer environments. Consumers may have multiple identities. Identities are self-registered and managed by customers. Provides a consistent sign-in experience regardless of where the end user is or which device they use. Supports social login. Enables consent management. Allows organizations to create personalized user experiences. |