CybersecurityPenetration Testing for IoT Medical Devices at Winmill
Introduction
A global medical equipment manufacturer faced growing scrutiny from prospective customers to demonstrate the security of its connected products. The company needed a reliable penetration testing process that could handle complex technical environments, adapt to tight timelines, and remain cost-effective—without compromising on quality or depth. Our client utilized Winmill’s Penetration Testing Stream to assess web applications and IoT devices that power their latest medical technologies.
Problem
Over the years, our client’s product line evolved from standalone medical devices to connected IoT platforms supported by cloud services and AWS Workspaces. This enhanced connectivity enhanced the overall security risks. The client’s globally distributed engineering teams—including offshore developers—faced logistical and scheduling challenges. Prior penetration tests were expensive, slow to schedule, and failed to provide actionable guidance.
The client needed a partner who could operate seamlessly across time zones, support remote and on-premise testing as needed, and deliver thorough, trustworthy results quickly—often with little lead time.
Solution
Winmill’s Penetration Testing Stream offered exactly that: a flexible subscription-based testing model that removes friction from scheduling and scoping. Using the Winmill Pen Test Portal, the client’s teams were able to request assessments with minimal overhead and clear visibility into timelines and deliverables.
One engagement involved assessing an IoT product with associated web and cloud components. Due to regulatory concerns, devices could not be shipped to the test team, so Winmill dispatched penetration testers onsite to the client’s facility in Irvine, California. Other tests were performed remotely via AWS Workspaces, helping the client maintain momentum despite the time zone challenges.
Winmill’s penetration testing delivered a detailed findings report, complete with remediation guidance tailored to the client’s internal teams. Compared to past vendors, Winmill’s assessments were both faster and significantly more affordable—without sacrificing depth or clarity.
"Winmill’s Penetration Testing team has been outstanding—professional, flexible, and easy to work with. The cost is also a major improvement over past providers. These tests help us demonstrate our security posture to potential customers. We look forward to continuing the partnership."
Results
The client now has a repeatable, low-friction testing process for evaluating connected products before release. Winmill’s flexibility—remote or onsite—and their ability to accommodate short-notice requests have been game changers. The cost savings compared to previous providers have allowed the client to expand testing efforts while staying within budget.
With thorough documentation and clean retest cycles, the client is better equipped to respond to customer requests for evidence of third-party testing—strengthening their credibility in a competitive industry.
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