Explore the concept of Software Bill of Materials (SBOM) and its potential to enhance transparency in the software supply chain in this 30-minute Black Hat conference talk. Delve into the US Department of Commerce's multistakeholder initiative aimed at making SBOM a reality without government regulation. Examine the benefits of SBOM from various perspectives, address challenges in implementation, and discuss the relationship between transparency and vulnerability. Learn about SBOM standards, the medical device industry's approach, and obstacles to achieving transparency. Gain insights into the next steps for advancing SBOM adoption and participate in a Q&A session to further understand this crucial aspect of software security and supply chain management.