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What Is the Key Security Benefit of Using Server Virtualization?
Discover the powerful security benefits of virtualization. Learn how virtual machine isolation contains cyberattacks and why VM snapshots allow for rapid disaster recovery after a security breach.
Question
What is a key benefit of virtualization from a security standpoint?
A. It eliminates the need for any other security controls.
B. It allows for rapid recovery and generally contains the impact of a security breach to a single virtual machine due to isolation.
C. It makes all data inherently unreadable without a key.
D. It is primarily used for identifying unusual activities after an incident.
Answer
B. It allows for rapid recovery and generally contains the impact of a security breach to a single virtual machine due to isolation.
Explanation
From a cybersecurity perspective, virtualization acts like the watertight compartments on a submarine. Because every virtual machine (VM) runs in its own completely isolated bubble, a virus or hacker that breaches one VM is trapped there, unable to easily infect the rest of your network or other applications sharing the same physical server. In addition to this strong containment, virtualization also lets IT teams take instant “snapshots” of a system. If an attack does occur, you can simply roll the infected machine back to a clean, pre-attack state in a matter of minutes, minimizing downtime and data loss.
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