Customer Identity & Access Management
What is CIAM (Customer Identity and Access Management)?
CIAM (Customer Identity and Access Management) is the practice and technology for managing the identities of an application's external end users: how they sign up, log in, and manage their accounts, at scale, with strong security, a smooth experience, and privacy compliance.
How CIAM differs from workforce IAM
Workforce IAM is for employees. IT creates the account. The job is governance and least privilege. CIAM is for customers. They sign themselves up. The job is a login they will finish, your brand on the screen, and consent they can understand.
A CIAM platform must handle sudden spikes to millions of users, social and passwordless login, and self-service account management, all without an IT admin in the loop. That is a fundamentally different design point from managing a fixed roster of staff.
Core CIAM capabilities
A complete CIAM platform provides registration and login (including social, passwordless, and SSO), multi-factor authentication, profile and consent management, and account security features like breach detection and bot protection.
For B2B products it also provides multi-tenant organizations, so each customer company gets its own users, roles, and enterprise SSO connection. This B2B layer is increasingly the deciding factor for SaaS teams choosing a CIAM vendor.
Why CIAM matters for developers
Build it yourself and you own password storage, tokens, MFA, sessions, and the audit forever. Use a CIAM platform and you call an API. The hours go back to the product.
Frequently asked questions
- What is the difference between CIAM and IAM?
- IAM secures an organization's internal workforce; CIAM secures the external customers of an application. CIAM prioritizes self-service sign-up, scale, branding, and privacy, while workforce IAM prioritizes governance and provisioning.
- Is CIAM only for large companies?
- No. Any app with external users needs this. A side project and a company with millions of users can use the same platform.
- Does CIAM support B2B multi-tenancy?
- Yes. B2B CIAM adds organizations (tenants), each with their own users, roles, and enterprise SSO connections, so one application can serve many customer companies with isolated identity.
Done reading definitions?
Sign-in, SSO, MFA, roles, SCIM. The APIs are for you. The console is for everyone else.