New Update Defender for Office 365 - Safe Links malware scanning feature status update


Thread author
Staff Member
Jan 8, 2011
Over on the Microsoft 365 Status Twitter handle, the Redmond company has announced the bug and provided additional details regarding the bug. The issue can be tracked under "DZ534539" in the Microsoft 365 Admin Center portal.

Hence, it looks like it was a bug in the Safe Links feature, which is a malware scanning feature in Defender for Office 365.
Credit: Microsoft confirms Defender has gone rogue as it's flagging legit links as malware [Update]

We're investigating an issue where legitimate URL links are being incorrectly marked as malicious by the Microsoft Defender service. Additionally, some of the alerts are not showing content as expected. Further details can be found under DZ534539 within the admin center.
Mar 29, 2023

We've confirmed that users are still able to access the legitimate URLs despite the false positive alerts. We're investigating why and what part of the service is incorrectly identifying legitimate URLs as malicious. Further details are under DX534539 within the admin center.

We're reviewing diagnostics such as network telemetry data to verify the root cause and identify a path to resolution. Further detail can be found under DZ534539 in the Microsoft 365 admin center.


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