GSGurkirat Singhink8scertificates.hashnode.dev·Dec 12, 2025 · 4 min readUnderstanding Kubernetes Certificates, PKI, and Mutual TLS (mTLS)Kubernetes uses a powerful and secure certificate-based authentication model built on PKI (Public Key Infrastructure).If you're coming from traditional TLS (like HTTPS), Kubernetes introduces an important difference: Clients (kubectl, kubelet, contro...00