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.

Windows 11's August 2026 update brings Voice Isolation, readable File Explorer sizes, external fingerprint sign-in, and reliability fixes.

As part of August’s Patch Tuesday, Microsoft released security updates that address 398 new vulnerabilities. Alongside Windows and Office, other products and services are also affected: Teams, ...

Even though Windows tells you “You’re using the latest version”, the last updated date is a few days old. That makes it easy for regular users to think ...

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

In this post, we will show you how to find the Windows Defender Antivirus signature version in Windows 11. Microsoft Defender is Windows’ built-in antivirus that helps protect your PC from viruses, ...

This past week Microsoft released the November 2025 Patch Tuesday updates on Windows 11 KB5068861 and KB5067112. Alongside that, new dynamic updates were also released. For those who may not know, ...

Thanks to the advanced logging capabilities, the app is able to offer detailed information for each entry, including related ...

A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows machines to write files large enough to completely consume available disk ...