Interpreting Fuzz Testing Results for a Device Vulnerability Assessment Challenge The manufacturer of a Class 2 medical device came to us for help in assessing cybersecurity vulnerabilities. The product, known as a programmer, is used to remotely reprogram implantable devices. Sending software updates to implantable devices via a wireless connection makes the devices much more convenient for users, but also opens up potential vulnerability to hackers. Fuzz testing is commonly used as a first step in assessing the vulnerability of a device to malicious hacking or unintended effects caused by bad data. Accepting and using data from outside sources is a significant source of risk common to all connected devices. Fuzz testing allows manufacturers to verify that the system is properly checking

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