Virtualization vulnerabilities

- [Teacher] Virtualization is a strategy … commonly used to optimize the use of hardware … in both on premises and cloud data centers. … Virtualization technology allows multiple … virtual hosts to run at the same time … on a single hardware platform. … One physical server may run dozens … or hundreds of virtual servers, … allowing all of those virtual hosts … to share memory and processing power. … From a security perspective, … this means that we have to be extra careful … to ensure that systems are isolated from each other. … Virtualization platforms use a component … called the hypervisor … to restrict each virtual machine … so that it can only access areas of memory … reserved for its use. … The hypervisor also prevents virtual machines … from accessing memory belonging … to other virtual hosts … running on the same hardware platform. … You might think of the hypervisor … as the security guard of the virtualized environment. … This separation of access is especially important … in a shared environment like the cloud, …