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How Does FDA Section 524B Cybersecurity Affect Your Medical Device Insurance?

Section 524B made cybersecurity a premarket requirement for connected devices. It also widened a liability surface most device insurance was not built for.

3 min read · Medical Devices · May 25, 2026

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Section 524B turned cybersecurity into a premarket requirement for connected medical devices. Most manufacturers built a compliance plan to satisfy it. Far fewer asked the next question: does the insurance program cover the liability the regulation is built around. The two are not the same exercise, and the gap between them is where a cyber-related device claim gets expensive.

What Section 524B Requires

Section 524B of the Federal Food, Drug, and Cosmetic Act requires manufacturers of cyber devices to build security into the product and to show it at submission. In practice that means a secure design, a process to identify and patch vulnerabilities, a software bill of materials that lists the components in the code, and a plan for coordinated disclosure when someone finds a flaw. The FDA now expects these as part of the premarket package, and the QMSR folded the same thinking into the quality system. Cybersecurity is no longer a separate engineering task. It is part of how the device is cleared and how it is inspected, which means it is also part of the record that gets read after something goes wrong. The standard also reaches beyond launch. Postmarket surveillance for vulnerabilities is part of the expectation, so the obligation, and the exposure, continues for the life of the device in the field.

The Cyber Liability Surface It Creates

A connected device is now an acknowledged attack surface, and that changes what can go wrong. A vulnerability can lead to a device that malfunctions, exposes patient data, or has to be patched across a fielded fleet. Each of those is a different exposure. A malfunction that harms a patient looks like products liability. Exposed data looks like a privacy and cyber claim. A forced patch or a field correction looks like recall and response cost. Section 524B does not create these risks, but by formalizing the cybersecurity expectation it makes them visible and expected, which is exactly what a plaintiff or a regulator points to after an incident. The bar you documented for compliance becomes the bar you are measured against at claim.

Where Standard Device Insurance Falls Short

This is the part most programs miss. A generic cyber policy is usually written around a data breach at a company, the loss of records, not around a medical device in the field being compromised. A products liability policy may exclude or sublimit damage that flows from a cyber event, treating it as someone else’s line. The result is a connected device whose cyber and product exposures meet in a gap that neither policy clearly owns. If the device qualifies as software regulated as a medical device, the overlap is even tighter, because the software is the product, and a flaw in it is at once a defect, a breach, and a service error.

What to Put in Place

Treat 524B compliance and the insurance review as one project. Confirm the cyber policy contemplates a compromised device in the field, not only a breach of company records. Confirm products liability does not quietly exclude bodily injury arising from a cyber event. Confirm there is a path for the response and field-correction costs a vulnerability can force. And keep the program aligned with the security documentation the FDA already requires, because the same software bill of materials and risk records an underwriter will want to see are the ones 524B made you produce. It also helps to confirm management liability is aware of the cyber obligation, because a known, unaddressed vulnerability is the kind of fact that turns a technical issue into a directors and officers question.

Before your next renewal, map each way a cyber event could hit the device, then confirm a policy answers each one without a seam. A specialty review through Tower Street Insurance can line your coverage up with the exposure Section 524B put on the record.

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