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.

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

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

Windows users, in particular, are increasingly becoming the target of phishing attacks. We outline the seven most dangerous ...

Use the following fixes if OneDrive is showing offline on your Windows 11 PC. Before proceeding, check for Windows updates manually. An unstable internet connection is the most common cause of this ...

Storm-2945, a sub-cluster of the Russian threat actor Midnight Blizzard, has been observed compromising the sign-in portals ...

Many Windows habits can make your PC slower. Some may have completely skipped your mind that they might be affecting your ...

Explore July 2026 Microsoft Security updates, including agentic defense, AI threat protection, identity, data security, and ...

Steam discussion forums are being abused in ClickFix attacks that pretend to be fixes for game and computer problems but ...

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