Medical Device Security: The IT Risk Most Healthcare Practices Overlook

Executive Summary

Most healthcare practices focus security efforts on computers and networks, but the devices connected to those networks pose just as much risk. Medical devices—from diagnostic imaging systems to patient monitors to infusion pumps—often have security vulnerabilities that make them attractive targets for attackers. Practices that overlook medical device security are leaving a significant vulnerability unaddressed.

Why It Matters

Medical devices exist to do one thing: provide patient care. They weren't designed with cybersecurity as a priority. Many were built before cybersecurity was even a serious concern in healthcare. They run outdated operating systems. They can't be patched in the traditional sense because updating the OS might break the medical functionality. They often can't even be isolated from the network because clinicians need real-time access to patient data.

This creates a security problem: devices that are critical to patient care but difficult or impossible to secure the way you'd secure a computer.

Attackers understand this. Medical devices are valuable targets because they're networked, they have access to sensitive patient data, and they're often overlooked in security planning. A compromised medical device can expose patient information, disrupt care, or potentially even be manipulated to harm a patient. The risk is both a data security problem and a patient safety problem.

Business Impact

Medical device security breaches carry consequences that go beyond typical IT security incidents. A breach involving patient data means HIPAA violation penalties—up to thousands of dollars per record exposed. A breach that disrupts care means patients are harmed, lawsuits are filed, and the practice's reputation is damaged. Some practices have been forced to close after a significant device-related incident.

But the business impact goes beyond the dramatic incident. Overlooking medical device security means regulatory exposure. Regulatory agencies expect healthcare practices to secure all connected devices, including medical equipment. If an audit finds insecure medical devices on your network, that's a finding that needs to be fixed. If a breach occurs and regulators discover your devices were unprotected, that's a serious compliance violation.

The cost of addressing medical device security is a fraction of the cost of defending a breach, paying fines, and rebuilding a damaged reputation.

What Companies Can Do

Start by inventorying every medical device connected to your network. You can't secure what you don't know about. Document the device type, manufacturer, model, operating system, and whether it can be patched or updated. Some devices you might not realize are networked—ask your medical equipment vendors what connects to the network.

Next, assess the security posture of each device. Does it have network segmentation? Can it be isolated on a separate subnet that limits access? Does it have built-in security features you can enable? Does the manufacturer provide security guidelines? Not every device will need the same security approach, so understanding what's possible for each device is critical.

Then, implement network controls. Many medical device security problems can be mitigated through network-level controls rather than changes to the devices themselves. Network segmentation keeps compromised devices from accessing the broader network. Firewalls can restrict what a device can communicate with. Intrusion detection can flag suspicious device behavior. These approaches work because they don't require changing the device itself.

Finally, develop a maintenance and monitoring plan. As devices age, they pose increasing security risk. Plan for replacement before devices become obsolete and impossible to secure. Monitor devices for unusual behavior that might indicate compromise. Work with your vendors to understand what patches or firmware updates are available and how often to apply them.

How an MSP Helps

Medical device security requires expertise that most practice IT staff don't have. It requires understanding not just cybersecurity but healthcare-specific regulatory requirements and the technical constraints of medical equipment. An MSP that serves healthcare practices understands both sides of this equation.

An MSP can inventory your devices, assess their security posture, design network segmentation that protects critical devices while keeping them functional, and monitor them for suspicious behavior. They know which vendors provide good security support and which don't. They can handle firmware updates in ways that don't disrupt clinical workflows.

They can also ensure you're meeting regulatory expectations. When an auditor asks whether your medical devices are secure, you need documentation showing you've taken reasonable steps to protect them. An MSP can provide that documentation.

Best Practices

Don't assume medical devices can't be secured. Many can be hardened significantly without affecting their medical functionality. Work with your vendors to understand what's possible for your specific devices.

Segment medical devices from general network traffic when possible. A separate network or VLAN for critical devices limits the damage if one device is compromised.

Restrict administrative access to medical devices. Not every clinician needs the ability to change device settings. Limit that access to qualified personnel and log who makes changes.

Keep vendor contact information updated. When a security vulnerability is discovered in a device, the manufacturer needs to be able to reach you. Make sure vendors have current contact info so you're notified when critical updates are available.

Plan for device obsolescence. Medical devices have a lifespan. As devices get older, manufacturers stop supporting them, stop issuing security updates, and eventually pull them off the market. Budget for replacement before devices reach the end of their supported life.

FAQ

Q: Does every medical device need to be on the network?

A: Not always. Some devices generate data that clinicians need to access digitally, which requires network connectivity. Others could function without network access. Review each device and ask whether network connectivity is clinically necessary. If it's not, disconnecting it eliminates the security risk entirely.

Q: Can we update or patch medical devices the same way we patch computers?

A: Usually not. Medical devices run specialized software that's tightly integrated with their hardware. A patch designed for a general-purpose operating system might break a device's medical function. Always work with the manufacturer when updates are available and test in a non-clinical environment first.

Q: What's the difference between medical device security and general IT security?

A: Medical devices have constraints that general computers don't. They can't always be shut down, updated, or isolated without disrupting patient care. Security measures need to work within those constraints. That's why medical device security requires specialized knowledge.

Q: Who's responsible for medical device security if we don't have IT staff?

A: You are. Even if you outsource IT management to an MSP, you're responsible for ensuring devices are secure. Choose an MSP that has healthcare expertise and ensure your service agreement explicitly includes medical device security and monitoring.

Let's Talk

Medical device security is often the most overlooked security risk in healthcare practices. It's also one of the most manageable risks if you address it systematically.

For more insights into how MSPs turn IT challenges into strengths, check out our article in the Indiana Business Journal here.

Every business faces IT challenges, but you don't have to navigate them alone. Core Managed helps businesses secure their data, scale efficiently, and stay compliant. If you're struggling with any of the issues discussed in this blog, let's talk. Give us a call today at 888-890-2673 or contact us here to schedule a chat.