A new Solution Accelerator just released by Microsoft - Hyper-V Security Guide.
The guide provides authoritative guidance that relates to the following strategies for securing virtualized environments:
- Hardening Hyper-V. Providing prescriptive guidance for hardening the Hyper-V role. Measures include reducing the attack surface of a server running Hyper-V, properly configuring secure network and storage devices.
- Delegating Virtual Machine Management. Common delegation scenarios and detailed steps guide you through using Authorization Manager (AzMan) and System Center Virtual Machine Manager 2008 (VMM 2008) to separate virtual machine administrators from virtualization host administrators.
- Protecting Virtual Machines. Providing prescriptive guidance for securing virtual machine resources. Covering best practices and also detailed steps for protecting virtual machines by using a combination of file system permissions, encryption, and auditing. Included are resources for hardening and updating the operating system instances running within your virtual machines
You can download the guide from the Microsoft Download Center