Protecting IoMT Devices from Ransomware via Segmentation
You are a cybersecurity consultant for a healthcare organization that utilizes Internet of Medical Things (IoMT) devices, such as connected insulin pumps and heart rate monitors, to provide improved patientcare. Recently, the organization has been targeted by ransomware attacks. While the IT infrastructure was unaffected due to robust security measures, they are worried that the IoMT devices could be potential entry points for future attacks. What would be your main recommendation to protect these devices from such threats?
Community Votes
100% of anonymous learners picked answer C. Votes are pick records left by other test-takers — they are not the verified answer.
Community Insight
This question tests IoMT security strategies, with the common trap being to implement unfeasible controls like disabling wireless connectivity entirely.
Learn why network segmentation is the primary defense for Internet of Medical Things (IoMT) devices against ransomware, as identified in this 312-50v12 exam question.
Candidates often select disabling wireless connectivity because it seems secure, but IoMT devices require wireless functionality for patient care, making this option impractical.
Community Discussion (3 comments)
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Expert Analysis
Why the Answer Is Correct
Network segmentation is the most effective recommendation for protecting IoMT devices. By isolating these devices on a separate VLAN or subnet, you create a barrier that prevents lateral movement. If an IoMT device is compromised by ransomware, the attacker cannot easily spread to critical IT infrastructure or other parts of the network.Why the Other Options Are Wrong
Disabling wireless connectivity (Option A) is incorrect because many IoMT devices rely on wireless communication for their core functionality; turning them off would disrupt patient care. Regularly changing IP addresses (Option B) is not a viable security control for medical devices, which require stable connectivity for monitoring and alerts. Multi-factor authentication (Option D), while good practice, does not prevent the initial infection or lateral movement as effectively as isolation.Community Comment Notes
The community consensus strongly supports network segmentation. As user insaniunt noted, this approach provides a "comprehensive and flexible solution" to protect devices without disrupting their essential functions. The unanimous vote distribution reflects the clear best practice in healthcare IoT security.Exam Strategy
When dealing with legacy or specialized devices like IoMT, always look for answers that balance security with operational continuity. Segmentation is almost always the correct answer when you need to isolate vulnerable assets from the core network.
Frequently Asked Questions
Why can't we just disable Wi-Fi on IoMT devices?
Many IoMT devices are designed for mobility and remote monitoring, requiring wireless connectivity. Disabling it would hinder patient care delivery.
Is MFA not enough to stop ransomware on IoMT?
MFA helps prevent unauthorized access, but if a device is already infected or has weak built-in auth, it doesn't stop lateral movement. Segmentation limits the blast radius.