Learn how to find Microsoft Defender Antivirus Signature Version in Windows 11 using Windows Security, PowerShell, Intune, ...

Microsoft claims Windows Defender is all the protection you need. The evidence from real-world testing—and competing security ...

Microsoft wants Windows 11 owners to stop worrying about buying antivirus software. In statements reported by PCMag and ...

Defender is 'usually sufficient,' it says in a blog post that might rile up the antivirus industry.

Microsoft has announced new features that extend its threat protection portfolio. The company is unifying solutions across Microsoft 365 security and Azure security as part of Microsoft Defender. At ...

Windows 11 security is now complete, with Defender replacing third-party antivirus through built-in real-time and behavioral ...

Microsoft has introduced a new Microsoft Defender for Endpoint (MDE) feature in public preview to help organizations detect weaknesses affecting Android and iOS devices in their enterprise networks.

Three Defender zero-days exploited since April 10, 2026, enabling privilege escalation and DoS, forcing isolation of affected ...

Microsoft has confirmed it has fixed the Local Security Authority (LSA) is off issue with a recent update to Defender. The company is also pushing out new kernel-mode hardware stack protection.

Threat actors have been exploiting the BlueHammer Microsoft Defender vulnerability as a zero-day to gain System privileges.

The Microsoft Defender antivirus product built into Windows 10 and 11 is generally good enough at detecting and removing malware that most people don’t need to pay for a separate antivirus product.

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, ...