Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, ...

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.

If you’re new to using a computer or new to Microsoft, or on the flip side, very, very experienced you might be thinking: Do I really need an antivirus program for my Windows 11 computer? The short ...

Best Antivirus Best Antivirus Software for Windows PCs in 2026 Discover the highest ranked antivirus programs for Windows 10 and 11. See whether you need to save or splurge to protect your device, ...

If you use a Windows laptop in 2025, chances are you store important files on it: work documents, school projects, bank details, or personal photos. Unfortunately, the more connected we are, the more ...

Microsoft Defender is good now, but I still treat it like a simple lock instead of a full security system. Marshall Gunnell is a Tokyo-based tech journalist and editor with over a decade of experience ...

Best Antivirus Best Free Antivirus for Windows 10 in 2026: Top Free Protection Options Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing ...

Microsoft Defender isn't enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.

Microsoft Defender Antivirus is 99% effective at blocking threats. Data suggests most infections are due to user behavior. Businesses need specialized endpoint security software. Last April, someone ...

Security teams have never had more visibility, yet rarely have they felt more uncertain. Signal pours in from endpoints, ...