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Security Fundamentals & Crypto · Intermediate

System for Cross-domain Identity Management (SCIM)

REST/JSON standard (RFC 7643/7644) for automating user and group provisioning between identity systems.

Definition

SCIM lets an identity provider create, update, and deactivate accounts in SaaS applications automatically. This keeps access in sync with HR changes and ensures prompt deprovisioning. Okta, Microsoft Entra ID, and most enterprise SaaS platforms support SCIM 2.0.

Example

When HR terminates an employee, Entra ID uses SCIM to disable their account in Slack and Zoom within minutes.

Exam tip

SCIM handles provisioning; SAML/OIDC handle sign-in. Deprovisioning is the key security benefit.

Related terms