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The NIST Information Security and Privacy Advisory Board (ISPAB) paper "Perspectives on Cloud Computing and Standards" specifies potential advantages and disdvantages of virtualization. Which of the following disadvantages does it include? Each correct answer represents a complete solution.
Choose all that apply.
It initiates the risk that malicious software is targeting the VM environment.
It increases overall security risk shared resources.
It increases intrusion detection through introspection.
It increases capabilities for fault tolerant computing using rollback and snapshot features.
It involves new protection mechanisms for preventing VM escape, VM detection, and VM-VM interference.
It creates the possibility that remote attestation may not work.
Answer: C, D, E, F, G
The potential security disadvantages of virtualization are as follows: It increases configuration effort because of complexity and composite system. It initiates the problem of how to prevent overlap while mapping VM storage onto host files. It introduces the problem of virtualizing the TPM. It creates the possibility that remote attestation may not work. It initiates the problem of detecting VM covert channels. It involves new protection mechanisms for preventing VM escape, VM detection, and VM-VM interference. It initiates the possibility of virtual networking configuration errors. It initiates the risk that malicious software is targeting the VM environment. It increases overall security risk shared resources, such as networks, clipboards, clocks, printers, desktop management, and folders. Answer: A and B are incorrect. These are not the disadvantages of virtualization, as described in the NIST Information Security and Privacy Advisory Board (ISPAB) paper "Perspectives on Cloud Computing and Standards".
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