TMA-M365-7.2.3
Ensure external content sharing is restricted
설명
The external sharing settings govern sharing for the organization overall. Each site has its own sharing setting that can be set independently, though it must be at the same or more restrictive setting as the organization. The new and existing guests option requires people who have received invitations to sign in with their work or school account (if their organization uses Microsoft 365) or a Microsoft account, or to provide a code to verify their identity. Users can share with guests already in your organization's directory, and they can send invitations to people who will be added to the directory if they sign in. The recommended state is New and existing guests or less permissive. Forcing guest authentication on the organization's tenant enables the implementation of controls and oversight over external file sharing. When a guest is registered with the organization, they now have...
점검 방법
감사 방식: 수동 검토
이 권장 사항은 자동으로 점검할 수 없습니다. --include-manual 옵션을 전달하면 스캔 결과에 이 지침과 함께 표시됩니다.
To audit using the UI: 1. Navigate to SharePoint admin center https://admin.microsoft.com/sharepoint 2. Expand Policies > Sharing. 3. Locate the External sharing section. 4. Under SharePoint, verify that the slider bar is set to New and existing guests or a less permissive level. To audit using PowerShell: 1. Connect to SharePoint Online service using Connect-SPOService. 2. Run the following cmdlet: Get-SPOTenant | fl SharingCapability 3. Verify that SharingCapability is set to one of the following values: o ExternalUserSharingOnly o ExistingExternalUserSharingOnly o Disabled
조치 방법
조치 방식: 가이드 또는 인프라 패치
To remediate using the UI: 1. Navigate to SharePoint admin center https://admin.microsoft.com/sharepoint 2. Expand Policies > Sharing. 3. Locate the External sharing section. 4. Under SharePoint, move the slider bar to New and existing guests or a less permissive level. o OneDrive will also be moved to the same level and can never be more permissive than SharePoint. To remediate using PowerShell: 1. Connect to SharePoint Online service using Connect-SPOService. 2. Run the following cmdlet to establish the minimum recommended state: Set-SPOTenant -SharingCapability ExternalUserSharingOnly Note: Other acceptable values for this parameter that are more restrictive include: Disabled and ExistingExternalUserSharingOnly.
속성
- 운영 체제
- 모두
- 태그
- m365saas
- 참고 자료
- CIS Microsoft 365 Foundations Benchmark v7.0.0 - 7.2.3 Ensure external content sharing is restricted