How would you answer an interview scenario involving secure software supply chain in Cloud Security?

For an interview scenario involving secure software supply chain, I would first clarify the business goal, scale, constraints, and the failure or quality attribute the interviewer wants to explore. Supply-chain security protects source, dependencies, build systems, artifacts, registries, and deployment provenance. In this scenario, a container base image is found to contain a critical vulnerability. Explain detection, remediation, and prevention steps. For production, pin and scan dependencies, isolate runners, sign artifacts, generate SBOMs, protect branches, and verify provenance before deployment. I would then explain the main alternatives and tradeoffs, identify likely failure modes, and describe how I would validate the solution through testing, observability, security controls, and recovery or rollback planning.