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

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

Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft ...

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

Three proof-of-concept exploits are being used in active attacks against Microsoft's built-in security platform; two are ...

In a blog post, Microsoft says Defender is enough for most Windows 11 users. No extra antivirus needed if you keep defaults ...

Microsoft has reaffirmed that Windows 11’s built-in Microsoft Defender Antivirus offers sufficient protection for most users, provided default settings, regular updates, and safe browsing habits are ...

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 ...

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

The vulnerability was revealed by a disgruntled researcher.

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.

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.