Explore the challenges and solutions for private container image signing in this 26-minute conference talk from KubeCon + CloudNativeCon Europe 2023. Delve into the growing importance of software supply chain security and the differences between open source and private container image signing. Learn about various signing technologies, including Sigstore and Notary v2, and their applications in internal Kubernetes software supply chains. Discover Datadog's security team's insights on implementing integrity controls for private container images, comparing open source and internal signing processes. Gain valuable knowledge on scaling signing frameworks and addressing unique challenges in private environments.