Explore a Black Hat conference talk detailing the discovery and exploitation of Ripple20, a series of critical vulnerabilities affecting millions of IoT devices across various sectors. Delve into the intricacies of supply chain security, DNS protocols, and exploitation techniques used to compromise devices from major vendors. Learn about the far-reaching impact of these vulnerabilities on industrial controllers, power grids, medical equipment, and more. Gain insights into the technical aspects of the research, including DNS parsing logic, integer overflow, memory leaks, and heap shaping. Understand the implications of these security flaws for the IoT ecosystem and the importance of addressing supply chain vulnerabilities in critical infrastructure.