Explore the intricacies of securing a Yocto-based distribution through the case study of AllScenariosOS in this 40-minute conference talk by Marta Rybczynska. Delve into Yocto security basics, learn about out-of-the-box security features, and understand the importance of CVE management for developers. Discover how to implement cve-check in Yocto projects, including console output analysis and potential extensions. Examine security-related layers in Yocto, with a focus on meta-security and the special case of meta-hardening. Gain insights into Linux kernel hardening techniques applied in AllScenariosOS, and explore next steps and lessons learned in distribution security. Acquire valuable knowledge to enhance your understanding of security practices in Yocto-based systems.