SSCP Systems and Application Security Practice Question
An organization uses VMware ESXi in a production environment. Which of the following is the most effective mitigation against VM escape attacks?
⚠ Common exam trap
The trap is choosing a compensating or detective control (segmentation, snapshots) when the question asks for the most effective mitigation — candidates overlook that only patching removes the hypervisor vulnerability itself.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Regularly patching the ESXi hypervisor
VM escape exploits a vulnerability in the hypervisor that lets a guest VM break out and access the host or other VMs. Regularly patching ESXi closes known hypervisor vulnerabilities (e.g., those disclosed in VMware security advisories) before attackers can exploit them, making it the most effective mitigation. Patching directly addresses the root cause — the hypervisor flaw — rather than the symptoms.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Using VM snapshots for quick recovery
Why it's wrong here
Snapshots restore a VM after compromise; they do not stop an escape from reaching the hypervisor. It tempts because snapshots aid recovery, but VM escape compromises the host, so recovery of the guest is irrelevant — hypervisor patching and hardening prevent the escape.
- ✗
Implementing network segmentation between VMs
Why it's wrong here
Segmenting VM traffic limits lateral movement after a compromise but does not prevent a guest from breaking out of its virtual machine onto the ESXi host. It tempts because segmentation is a core defence-in-depth measure, yet escape exploits hypervisor flaws, which patching and hardening address.
- ✓
Regularly patching the ESXi hypervisor
Why this is correct
Patching the ESXi hypervisor closes the vulnerabilities that VM escape exploits target, directly satisfying the stem's mitigation requirement. Because escape attacks break the isolation boundary between guest and host, keeping the hypervisor current is more effective than guest-level controls, which cannot protect the host.
- ✗
Disabling unnecessary guest tools within VMs
Why it's wrong here
Disabling guest tools reduces the guest-to-host attack surface but does not address the hypervisor's own vulnerabilities, which VM escapes exploit. It tempts because hardening guests is good practise, yet patching and hardening ESXi itself is what closes escape vectors.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official ISC2 exam blueprint
This SSCP practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SSCP exam.