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

Microsoft has pulled a recent Microsoft Defender update that was supposed to fix a known issue triggering persistent restart alerts and Windows Security warnings that Local Security Authority (LSA) ...

Microsoft says the KB5007651 Microsoft Defender Antivirus update triggers Windows Security warnings on Windows 11 systems saying that Local Security Authority (LSA) Protection is off. LSA Protection ...

Microsoft explains if Windows 11 needs third-party antivirus in 2026 as Defender matches top tools and AI-driven threats ...

To use Windows Defender ATP (Advanced Threat Protection), onboard your devices to the platform using Configuration Manager, Microsoft Intune, or manual installation. Access the Microsoft Defender ...

Microsoft 365 Defender now automatically disrupts ransomware attacks, giving business customers — but not consumers, yet — a bit more peace of mind in avoiding ransomware. Microsoft made the ...

5 Antivirus Programs That Actually Hold Up in 2026 Best Antivirus for Windows 11: Fast, Lightweight & Secure Windows 11 users face growing cyber threats, from ransomware and phishing to occasional ...

Discover the highest ranked antivirus programs for Windows 10 and 11. See whether you need to save or splurge to protect your ...