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Matias Karhumaa


Matias Karhumaa is a security-minded senior software engineer at Synopsys. He is developing new solutions for wireless device fuzzing, mainly for Bluetooth. In addition to breaking software, he enjoys mountain biking in his spare time.

Posts by Matias Karhumaa:


CyRC Vulnerability Advisory: Denial-of-service vulnerabilities in Zephyr Bluetooth LE stack

Eight vulnerabilities were discovered in Zephyr’s Bluetooth LE Stack using Defensics Bluetooth LE fuzzing solution.

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Posted in Security news and research


Uncover SweynTooth vulnerabilities with Defensics fuzz testing

SweynTooth is a set of Bluetooth Low Energy vulnerabilities. We can reproduce many of these vulnerabilities using Defensics Bluetooth LE Test Suites.

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Posted in Fuzz Testing, IoT Security, Medical Device Security, Security news and research