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

Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing defense, ransomware protection, VPN limits, ...

Microsoft Defender offers great protection from malware -- but there are other online threats you might want to consider, too.

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, ...

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 ...

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 ...

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.

For years, I thought that using third-party antivirus software was non-negotiable. I went back and forth a lot between paying for one and opting for the free version, hoping to find the perfect one ...

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

Security software used to be a non‑negotiable line item, as essential as your internet bill. Today, built‑in protections and smarter operating systems have turned that old rule on its head, leaving ...