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Microsoft Defender flags legitimate Google search links as malicious

September 2, 2026 · BleepingComputer · Severity: MEDIUM

Microsoft is investigating an issue causing the Defender for Office 365 security software to mistakenly block access to legitimate Google search links.

Key Takeaways

  • Microsoft Defender for Office 365 mistakenly blocks legitimate Google search links.
  • The security software flags Google search results as malicious, causing access issues.
  • Microsoft is investigating the false positive issue with Defender for Office 365.
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