Securing containers in Kubernetes requires strong secrets management and least privilege practices. Hardcoding secrets in images or using environment variables exposes sensitive data, complicates rotation, and increases attack risk. Instead, organizations should map secret access only to required containers, enforce RBAC, and restrict secrets to specific processes. Regularly rotate and delete unused secrets, log their usage, and audit system access for visibility. Centralizing secrets management prevents fragmented “security islands” across tools. With container adoption at 92% and Kubernetes used by 88% of enterprises, these practices are vital to protecting workloads at scale.

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