Alibaba Cloud Native

Jan 10, 2020 · Cloud Native

How to Secure Multi‑Tenant Kubernetes Clusters: Practical Isolation Strategies

This article explains the concept of multi‑tenant Kubernetes clusters, distinguishes soft and hard isolation, describes common enterprise and SaaS/KaaS scenarios, and provides step‑by‑step guidance on using native Kubernetes features such as RBAC, NetworkPolicy, PSP, OPA, resource quotas, pod priority, node taints, and secret encryption to achieve robust security isolation.