Hypervisor Security
Search Security, Tuesday, May 9,2023
May 19, 2023,
Volume 302, Issue 3

Hypervisor security is the process of ensuring the hypervisor -- software that enables virtualization -- is secure throughout its lifecycle. Common security practices for hypervisors include limiting users in a local system, reducing attack surfaces and keeping systems updated.

A hypervisor is software that enables a single host device to run multiple virtual machines (VMs). Examples of hypervisors include Microsoft Hyper-V Manager and VMware vSphere. The hypervisor emulates hardware such as the central processing unit, memory and RAM.

Hypervisor security is important because, if attackers gain control of the hypervisor, they can access every VM under that hypervisor and all data stored in each VM. Additional points of vulnerability include shared hardware caches, the network and access to the physical server...

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