A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows ...

Microsoft this week announced a "revamped solution stack" for Microsoft Defender for Endpoint that promises to bolster protections and simplify setups when using Windows Server 2012 R2 and Windows ...

Admins in charge of securing Windows devices protected by Microsoft Defender for Endpoint can now "contain" a compromised unmanaged device to prevent lateral movement of data and slow down hackers.

Microsoft on Monday announced that its Microsoft Defender for Endpoint security solution now supports older Windows Server products, namely Windows Server 2012 R2 and Windows Server 2016. The ...

Microsoft has addressed a known issue that plagued Windows Server customers for weeks, preventing the Defender for Endpoint enterprise security platform from launching on some systems. When it ...

The feud between "NightmareEclipse" and Microsoft continues to hold unpleasant surprises for the Windows ecosystem. The ...

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CISA says ransomware gangs are exploiting Microsoft Defender’s BlueHammer flaw, patched in April 2026 after zero-day reports.

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Microsoft and CISA confirm Defender zero-days exploited in the wild. Microsoft has started ...

Do you still need third-party antivirus on your Windows PC?

Microsoft says its new endpoint security solution for small and medium-sized businesses (SMBs) known as Microsoft Defender for Business has hit general availability. It has started rolling out to new ...