https://www.googleforeducommunity.com/t5/Peer-Peer-Topics/External-Drive-file-shares-and-security/m-p/180823#M4529 <P>This hasn't been enough of a problem for us to dive into as of yet.&nbsp;&nbsp;</P><P>Is the concern the emails being sent or the content of the file being shared (or both)?</P><P>Not sure how I'd approach this without diving in.&nbsp;&nbsp;</P><P>Because the file share emails don't come from your domain and would not have your headers in them from the source, I'm not sure how you could filter those effectively...</P><P>File shares, I know there are ways to prevent users from sharing documents.&nbsp; We use this for offboarding users in our district.&nbsp; I am unsure off the top of my head if this can be written in such a way that it would prevent outside domains from sharing with you.&nbsp;&nbsp;</P><P>I would strongly consider you have some internal conversations on what this would look like before doing anything with this...</P> Tue, 14 Oct 2025 14:15:20 GMT kaned 2025-10-14T14:15:20Z https://www.googleforeducommunity.com/t5/Peer-Peer-Topics/External-Drive-file-shares-and-security/m-p/180811#M4528 <P>With the ever evolving phishing campaigns that go around, I was wondering what (if anything) admins are doing to combat the "Item shared with you:" emails that users get.&nbsp; Clearly you can't revoke the access.&nbsp; You could use an internet filter to block these URLs or block the URL through the Chrome URL blocking rule, but that wouldn't stop someone from accessing it on a personal device.&nbsp; Just curious if others are taking any attempts to block them or relying on training users for phishing and deleting notification emails with the link.</P> Mon, 13 Oct 2025 13:53:18 GMT https://www.googleforeducommunity.com/t5/Peer-Peer-Topics/External-Drive-file-shares-and-security/m-p/180811#M4528 dhalvorsen 2025-10-13T13:53:18Z https://www.googleforeducommunity.com/t5/Peer-Peer-Topics/External-Drive-file-shares-and-security/m-p/180823#M4529 <P>This hasn't been enough of a problem for us to dive into as of yet.&nbsp;&nbsp;</P><P>Is the concern the emails being sent or the content of the file being shared (or both)?</P><P>Not sure how I'd approach this without diving in.&nbsp;&nbsp;</P><P>Because the file share emails don't come from your domain and would not have your headers in them from the source, I'm not sure how you could filter those effectively...</P><P>File shares, I know there are ways to prevent users from sharing documents.&nbsp; We use this for offboarding users in our district.&nbsp; I am unsure off the top of my head if this can be written in such a way that it would prevent outside domains from sharing with you.&nbsp;&nbsp;</P><P>I would strongly consider you have some internal conversations on what this would look like before doing anything with this...</P> Tue, 14 Oct 2025 14:15:20 GMT https://www.googleforeducommunity.com/t5/Peer-Peer-Topics/External-Drive-file-shares-and-security/m-p/180823#M4529 kaned 2025-10-14T14:15:20Z