Tom Tervoort is a Principal Security Specialist for Secura, a security company based in the Netherlands. He regularly performs network pentests, web/mobile application assessments, as well as code, configuration and design reviews for large Dutch companies and institutions. His primary areas of interest include cryptographic protocols and cryptography engineering, advanced web attacks and Windows AD pentesting. Besides doing security assessments, Tom also develops and gives secure programming courses to software developers. Next to his job at Secura, he also works as a PhD student at the Amsterdam UMC hospitals, where he does research on cybersecurity within the medical domain. In December 2020, Tom won a Pwnie award for Best Cryptographic Attack due to his work on Zerologon.