Explore a comprehensive conference talk that delves into the Spectre & Meltdown Checker tool, presented by experts Stephane Lesimple and Agata Gruza. Learn about implementation and design flows, microcode, and the critical events surrounding the discovery of these vulnerabilities. Understand the governing principles, hardware-only mode, and script output interpretation. Gain insights into Agata's journey with the tool, its capabilities, and the installation process. Discover how to read CPUid, navigate the full CPU list, and grasp key points for effectively using the checker. This 45-minute presentation from the Linux Foundation provides valuable knowledge for IT professionals and security enthusiasts looking to enhance their understanding of these significant hardware vulnerabilities and their detection methods.