Microsoft confirms that Defender has started seeing threats in harmless

Microsoft confirms that Defender has started seeing threats in harmless links and files

Information surfaced on the Reddit page that the Microsoft Defender security software had literally gotten out of control and was marking fairly harmless files and links as malicious. The problem has been confirmed by Microsoft, whose specialists are already working on the fix.

    Image source: janeb13/

Image source: janeb13/

According to the Neowin portal, system administrators receive a large number of security alerts. In the Microsoft 365 Status Twitter feed, the company announced that the problem really exists.

This is an error codenamed DZ534539 in the Microsoft 365 admin center. “We’re investigating an issue with legitimate URLs being incorrectly flagged as malicious by Microsoft Defender. Additionally, some alerts do not display the content as expected. See code DZ534539 in the admin center for more details”says microsoft.

The issue has already sparked a lively discussion among system administrators and other IT professionals on Reddit. In one of the forums a user with the nickname x-64 divided error details. Later, other commentators confirmed his information. It is reported that administrators are receiving an unexpected amount of critical threat emails. The emails report that an attempt to navigate to a potentially dangerous URL has been registered. It is also no longer available to view the details associated with the notification by clicking on the links provided in the letters.

According to the latest information, the company is investigating service telemetry to isolate and remediate the root cause and develop a plan to bring the security solution back to normal operation. No timeline was given to fix the Microsoft Defender issue.

About the author

Robbie Elmers

Robbie Elmers is a staff writer for Tech News Space, covering software, applications and services.

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