Learn about the greatest software vulnerability risks in Virtual Server environments and how IS auditors assess them. Understand the impact of diverse guest OS, update frequencies, and antivirus implementations.
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Question
Which of the following observations would an IS auditor consider the GREATEST risk when conducting an audit of a virtual server farm for potential software vulnerabilities?
A. Guest operating systems are updated monthly.
B. Antivirus software has been implemented on the guest operating system only.
C. A variety of guest operating systems operate on one virtual server.
D. The hypervisor is updated quarterly.
Answer
C. A variety of guest operating systems operate on one virtual server.
Explanation
This scenario presents the greatest risk due to the potential for a single vulnerability to compromise multiple operating systems, escalating the impact significantly.
Explanation of other options:
Option A: Monthly updates are generally a good security practice, but the frequency may not be sufficient depending on the criticality of the systems and the emergence of new vulnerabilities.
Option B: Antivirus on guest OS only leaves the host OS and hypervisor susceptible to threats.
Option D: Quarterly updates for the hypervisor may not be frequent enough to address newly discovered vulnerabilities.
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