Microsoft has updated SharePoint Online to provide full support for sensitivity labels assigned to OneNote and MP4 files. Full support means that SharePoint Online can decrypt and encrypt file content, which then allows SharePoint to protect the content while storing it in a way that’s accessible to Purview services like Data Loss Prevention and eDiscovery, and of course, accessible to Copilot…
The BlockContentAnalysisServices sensitivity label setting blocks access to Microsoft connected services for the content of labeled Office documents. The intention is that users assign sensitivity labels with the block setting to protect an organization’s most sensitive files. Regretfully, Microsoft’s documentation and explanation offered in the message center post don’t convey a clear story about its value.
A recent blog from the Microsoft Digital (IT department) discusses the preview implementation of container management labels for security groups. The implementation is limited because it encompasses just one control: the ability to have guest accounts in the membership of security groups. However, just that limited control is sufficient to stop unintended access to sensitive information by guest accounts, and that’s a very good thing.