When it comes to virus protection and securing Windows, the market for third-party antivirus solutions is shrinking. Microsoft claims that Microsoft Defender, which comes bundled with Windows, is actually sufficient as a security solution to protect against viruses and malware.
I myself have actually been relying on Microsoft Defender as my antivirus solution for Windows since the days of Windows 7. In my environment, there was no need to bring in another security solution. So the topic kind of passed me by—but the other day, the following tweet caught my eye.
PC World has picked up on what Microsoft had already explained in a blog post dated April 9, 2026, titled "Best antivirus software for 2026: The built-in Windows protection you need." Read details within my German blog post [use build-in translation to switch language].
