For most people using a supported and fully updated Windows 11 computer, yes: Microsoft Defender Antivirus and the other protections inside Windows Security are sufficient as the primary antivirus.

A hands-on Windows 11 experiment finds that most ancient malware is harmless, but some decades-old threats can still slip past Defender.

Scan and clean your PC with the Windows Malicious Software Removal Tool. Learn how to run it, check results, and remove ...

Spread the love“`html When you’re relying on Microsoft Defender to keep your Windows PC safe, it’s easy to fall into a false ...

Looking for the best antivirus for Windows 11? Check out our top picks to protect your device as well as your system and ...

Microsoft on Wednesday morning issued an emergency update to its Microsoft Malware Protection Engine, closing CVE-2026-50656 — the Windows Defender privilege-escalation flaw known as RoguePlanet — 29 ...

How I free up Windows disk space and shred sensitive data for free with open-source BleachBit ...

Bitdefender 2026 review: A tech critic's full verdict - Bitdefender provides exceptional 24-hour protection across five devices ...

Protect system integrity at startup. Maintain system integrity through the runtime. Validate system integrity maintenance via local and remote indicators. Windows Defender System Guard protects the ...

Make Windows 11 feel faster with nine cleanup tips for startup apps, storage, background processes, updates, malware scans, and more.

Halcyon, the ransomware resilience platform, today announced File Resilience (FiRe), a new capability that prevents ransomware encryption before files are modified. By terminating encryption attempts ...