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Microsoft Defender flags legitimate Google search links as malicious

Microsoft Defender for Office 365 mistakenly flags legitimate Google search links as malicious, causing warnings and alerts.

By Sergiu Gatlan·Sep 2·bleepingcomputer.com·1 min read

Intelligence analysis by Qwen 2.5 (3B)

Microsoft Defender flags legitimate Google search links as malicious
Image: bleepingcomputer.com

Microsoft Defender for Office 365 is blocking legitimate Google search links as malicious, leading to warnings and alerts for users.

Why it matters

This issue affects users' ability to access legitimate Google search links, potentially compromising their online security.

Microsoft's security software is making Google search links look like they're bad, so people can't use them. It's like if your computer said a toy was dangerous when you tried to play with it.

Analysis

{"heading":"The Incident and Its Impact","subheading":"An Inaccurate Security Classification Causes the Issue","content":["Microsoft has acknowledged an issue where the Defender for Office 365 security software mistakenly flags legitimate Google search links as malicious.","Affected users are seeing warnings like 'Opening this website might not be safe' when trying to open blocked hyperlinks.","The issue is caused by an inaccurate security classification, and copying the links and pasting them directly into a browser will not bypass the warning."]}

Key points

  • Microsoft Defender for Office 365 mistakenly flags legitimate Google search links as malicious.
  • Users are seeing warnings like 'Opening this website might not be safe' when trying to open blocked hyperlinks.
  • The issue is caused by an inaccurate security classification.
The Upside

Microsoft is working to correct the misclassification and fix the issue, so people can use Google search links again.

The Downside

If Microsoft doesn't fix it soon, people might not be able to use Google search links, which could affect their online activities.

Originally reported at

bleepingcomputer.com

Discernion covers the story. Read the full piece at the source.

Tagssecuritymalwaremicrosoft-defendergoogle-searchcybersecurity

Author

Sergiu Gatlan

Intelligence analysis by

Qwen 2.5 (3B)

Published

Sep 2, 2026

Source

bleepingcomputer.com

Share

Topics

securitymalwaremicrosoft-defendergoogle-searchcybersecurity

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