ISC2 Certified Cloud Security Professional (CCSP) Practice Question
While performing a risk assessment on a public IaaS provider, you discover that customer virtual machines are frequently live-migrated between hosts for load balancing. The migration traffic travels across an unsegmented management network and is not encrypted. Which risk should you flag as the most significant to confidential data handled by a tenant workload?
Temporary performance degradation on the VM due to increased hypervisor overhead
Complicated guest operating system patch schedules caused by host reallocation
Violation of per-CPU software licensing as the VM lands on differently licensed hosts
Exposure of in-memory tenant data to interception during migration traffic
During live migration, the entire contents of a VM's memory and CPU state are streamed across the management network. If that traffic is sent in clear text on an unsegmented network, a malicious insider or attacker with access to the network can capture sensitive data such as encryption keys or personally identifiable information resident in RAM. Performance impact, software licensing, and guest OS patching are operational considerations, but they do not directly threaten the confidentiality of data in transit during migration, making data exposure the primary risk in this scenario.
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ISC2 Certified Cloud Security Professional (CCSP)
Cloud Platform & Infrastructure Security
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