Harm Griffioen is an Assistant Professor specializing in Cyber Security at Delft University of Technology in the Netherlands and founder of GriffinGuard. His research focuses on network security, cyber threat intelligence, and the security of distributed Internet of Things (IoT) systems. He has contributed to understanding and mitigating security threats in IoT environments, including analyzing large-scale botnet attacks like Mirai. Next to his academic career, he has worked as a Cyber Threat Analyst at the Dutch Ministry of Defense.