Meaning
Statements of fact regarding a user or service communicate reliable attributes within an authentication token to decide access permissions. Each OIDC identity claims entry defines pieces of data like an email address or employee group membership. These values are trusted as long as the issuing server is recognized as an authoritative source.
Data Exchange
Servers pass identity tokens containing relevant facts to applications seeking to identify a visitor. Processing OIDC identity claims allows a remote system to know the level of access to grant without asking the user for more information. Standard formats ensure that names and roles appear in the expected logic.
Security Scope
Access levels depend on which specific assertions are visible within the signed payload. When organizations utilize OIDC identity claims they reduce the risk of spoofed identities by forcing each assertion to be cryptographically verified. If the group claim is missing, the application defaults to basic privileges.
Subject Binding
Identifiers connect the token directly to a single human or machine in the database. Verifying OIDC identity claims provides a reliable way to map external cloud identities to internal resource permissions. Success in this area prevents the unauthorized sharing of generic developer logins.