Showing tag results for Security

Sep 8, 2026
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MSIX PackageVolume: How Package Storage Works

Howard Kapustein

An MSIX package can be staged in several ways and locations: By far the most common is PackageVolume. We'll dig into the rest in future posts, but for now let's focus on MSIX PackageVolume. In the beginning... When MSIX first appeared in Windows 81 packages would be staged to a unique directory under . More specifically, packages were pl...

Jul 28, 2026
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Package Integrity and Enforcement

Howard Kapustein

A recent conversation started (as many interesting conversations do) with a simple question: "Why is MSIX secure?" MSIX includes multiple layers of protection designed to defend against both accidental damage and malicious tampering. But as with all good security solutions, it's not the individual elements so much as their interlocking design tha...