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Establish SAML 2.0 identity federation between on-premises Active Directory and Microsoft Entra ID (Azure AD) for seamless cross-domain authentication and SSO.
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SOC 職業分類に基づく
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| name | building-identity-federation-with-saml-azure-ad |
| description | Establish SAML 2.0 identity federation between on-premises Active Directory and Microsoft Entra ID (Azure AD) for seamless cross-domain authentication and SSO. |
| domain | cybersecurity |
| subdomain | identity-access-management |
| tags | ["saml","azure-ad","entra-id","federation","hybrid-identity","sso"] |
| version | 1.0 |
| author | openshield |
| license | Apache-2.0 |
| nist_csf | ["PR.AC-1","PR.AC-4","PR.AC-7","DE.CM-3","PR.AA-1","PR.AA-2"] |
| Term | Definition |
|---|---|
| IdP | Identity Provider (e.g., AD FS, Okta, Microsoft Entra ID) |
| SAML 2.0 | XML-based standard for exchanging authentication and authorization data |
| Token-Signing | Use of X.509 certificates to sign SAML assertions to ensure authenticity |
| Relying Party | The application or service that trusts the IdP for authentication |
| Rule | Description | Severity |
|---|---|---|
| AZ-IDN-009 | Missing Alerts for Role Assignment Changes | MEDIUM |
| AZ-IDN-002 | No MFA Enforced on Admin Accounts via Conditional Access | HIGH |
| AZ-IDN-004 | No Privileged Identity Management for Admin Roles | HIGH |
Ensure the token-signing certificate is valid and not nearing expiry.
# Using MS Graph to set federation
New-MgDomainFederationConfiguration -DomainId "corp.example.com" -BodyParameter $federationConfig
Map AD attributes (UPN, Email) to SAML assertions expected by Entra ID.