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CochranJoel-9319 avatar image
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CochranJoel-9319 asked JoyZ edited

Sharing and Security in SPO

I'm in the testing phase of moving a large chunk of our files into SharePoint. I currently have Sharing set at the org level to "Organizational Sharing Only". During testing, I created a 365 Group and set it to Owners only (myself and another user) - no members or visitors. Uploaded a document into the library and shared it with a test user within the organization. They can still open and do whatever (based on the share permissions).

Is there a way to set permissions to prevent this? For instance, stop someone in an Accounting Site Document Library from sharing a file with a user in another department within the organization?

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1 Answer

JoyZ avatar image
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JoyZ answered JoyZ edited

Hi @CochranJoel-9319,

We could not prevent internal sharing based on different departmental groups.

Per my research, we do have some methods to limit sharing in Microsoft 365, however, this does not apply to your situation.

Take conditional access as an example, organizations can select a group that contains all members of the HR department when an HR app is selected as the cloud app in conditional access, then block or grant access to them, even though you share with them, they will be blocked via this policy.

And this is based on different cloud apps, in your case, we only need one cloud app: SharePoint.

Therefore this is not for you, in short, it is necessary to check file permissions and remove unwanted groups manually.


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