# AV-TEST Institute Windows 11 security evaluations

> Live situation record from CLSTR: https://clstr.news/situations/av-test-institute-windows-11-security-evaluations
> Updated: 2026-09-30T13:00:00.000Z. Sources: 3. Developments: 2.

The AV-TEST Institute conducted evaluations of security solutions for Windows 11 covering July and August 2026. The assessment included 30 products, split equally between 15 programs for private users and 15 enterprise-level products for corporate environments. Testing was based on protection effectiveness, system performance, and usability.

## Timeline

### 2026-09-30: AV-TEST Institute evaluates 30 Windows 11 security solutions

The AV-TEST Institute tested 30 Windows 11 security solutions for private and corporate users during July and August 2026, evaluating protection, performance, and usability.

2 sources. https://clstr.news/cluster/av-test-institute-evaluates-30-windows-11-security-solutions

### 2026-09-17: AV-TEST Institute reviews macOS Tahoe security solutions

The AV-TEST Institute reviewed 12 security solutions for macOS Tahoe in June 2026, testing nine products for home users and three for business users based on protection, performance, and usability.

2 sources. https://clstr.news/cluster/av-test-institute-reviews-macos-tahoe-security-solutions

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Cite as: AV-TEST Institute Windows 11 security evaluations. CLSTR, https://clstr.news/situations/av-test-institute-windows-11-security-evaluations