New Office 365 policy can now block guest access for new files with sensitive information

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Published onJune 30, 2020

published onJune 30, 2020

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Microsoft isrolling out a new Office 365 policythat will let admins automatically block guest access to new files in OneDrive for Business and SharePoint Online until they have been fully scanned for sensitive information. According to Microsoft, this new Data Loss Prevention (DLP) policy is rolling out now and will be available for all commercial customers in mid-July.

It is worth noting that enabling guest access (external sharing) for OneDrive for Business and SharePoint is entirely optional, but this new Data Loss Prevention policy aims to prevent guests from accessing sensitive content. When DLP is enabled, external access to new files in SharePoint Online and OneDrive for Business will be automatically blocked until those files have been scanned for any sensitive information.

This new DLP policy won’t affect existing restrictions on guest user access to sensitive files. However, Office 365 admins will need to change a tenant property using PowerShell and a cmdlet to mark new files sensitive by default.

While Office 365 Data Loss Prevention has now started rolling out, admins can already get prepared by checking thissupport page. Do you think this new policy is a welcome change for OneDrive for Business and SharePoint? Sounds off in the comments below.

Radu Tyrsina

Radu Tyrsina has been a Windows fan ever since he got his first PC, a Pentium III (a monster at that time).

For most of the kids of his age, the Internet was an amazing way to play and communicate with others, but he was deeply impressed by the flow of information and how easily you can find anything on the web.

Prior to founding Windows Report, this particular curiosity about digital content enabled him to grow a number of sites that helped hundreds of millions reach faster the answer they’re looking for.

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Radu Tyrsina

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With KB5043178 to Release Preview Channel, Microsoft advises Windows 11 users to plug in when the battery is low

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Microsoft will raise the price of its 365 Suite to include AI capabilities

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New Office 365 policy can now block guest access for new files with sensitive information