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Recorded 14 Oct 2026 at 11:22 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.
The federatedTokenValidationPolicy is a resource type in Microsoft Graph (beta) that governs the validation of federated authentication tokens and allows customers to configure a rule to block logins where internalDomainFederation does not match UPN domain. The feature by default requires manual configuration in the tenant to prohibit cross-domain logins. To strengthen security with cross-domain sign-in we will change the default rule for federatedTokenValidationPolicy to block logins where internalDomainFederation does not match UPN domain. This internalDomainFederation object is typically created automatically during federation setup with AD federation server or other IdPs.
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