hyper-v
4 posts tagged hyper-v.
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Hyper-V Enlightenments, VMBus, and the Synthetic Device Model
How Hyper-V guests get high-performance device I/O without emulating legacy hardware: enlightenments, the TLFS, VMBus rings, the VSP/VSC pair, and why the host-side parser is the attack surface.
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Windows Sandbox vs Windows Defender Application Guard: Two Hyper-V Sandboxes, Different Threat Models
Two Hyper-V-backed isolation containers shipped in Windows -- one survived, one was retired. The story of why disposable beat persistent, and what each model was actually for.
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Above Ring Zero: How the Windows Hypervisor Became a Security Primitive
A deep tour of the Windows hypervisor as the substrate of VBS, HVCI, Credential Guard, and Secure Launch -- its five primitives, the boundary it commits to, and the public failures that calibrate it.
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VBS Trustlets: What Actually Runs in the Secure Kernel
A field guide to Virtualization-Based Security trustlets on Windows 11: the five gates a binary passes to become one, the inbox roster, and where the model ends.