ShieldOps Blog

Discover the latest practices and guides for Docker, Kubernetes, and DevSecOps.

Kubernetes Service Mesh Security: mTLS, Authorization, and Observabilityk8s

Kubernetes Service Mesh Security: mTLS, Authorization, and Observability

Kubernetes Service Mesh security is critical for zero-trust in container environments. This guide covers mTLS configuration, AuthorizationPolicy patterns, and monitoring pipelines to detect lateral threats.

2026-07-26Read More ⟶
Kubernetes Hardening: CIS Benchmarks and Runtime Protectionk8s

Kubernetes Hardening: CIS Benchmarks and Runtime Protection

Strengthen your Kubernetes clusters against attacks with this comprehensive hardening guide covering CIS Benchmarks, Pod Security Standards, kube-bench automation, and runtime protection with Falco, AppArmor, and Seccomp. Includes a 20-point checklist and real-world breach case studies.

2026-07-25Read More ⟶
Kubernetes Ingress and API Gateway Security: TLS, Auth, and Rate Limitingk8s

Kubernetes Ingress and API Gateway Security: TLS, Auth, and Rate Limiting

Secure your Kubernetes ingress and API gateway with this complete guide covering TLS, authentication, rate limiting, WAF, and the Gateway API migration. Ten critical mistakes and how to fix them.

2026-07-24Read More ⟶
Kubernetes Audit Logging: Detecting Intrusions Through API Server Trailsk8s

Kubernetes Audit Logging: Detecting Intrusions Through API Server Trails

Learn how to configure Kubernetes audit logging, write effective audit policies, ship logs to SIEM platforms, and detect 10 critical intrusion patterns through API server audit trails.

2026-07-23Read More ⟶
Kubernetes Supply Chain Security: From Git to Cluster With Sigstorek8s

Kubernetes Supply Chain Security: From Git to Cluster With Sigstore

A comprehensive guide to Kubernetes supply chain security covering the full pipeline from Git repositories to cluster runtime. Learn how Sigstore, Cosign, SBOMs, and the SLSA framework work together to protect against software supply chain attacks.

2026-06-23Read More ⟶
Kubernetes Network Policies: Enforcing Zero-Trust at the Network Layerk8s

Kubernetes Network Policies: Enforcing Zero-Trust at the Network Layer

Kubernetes Network Policies are the primary mechanism to enforce zero-trust segmentation at the network layer. Learn how to write, debug, and optimize Network Policies with practical YAML examples, common mistakes to avoid, and advanced Cilium L7 rules.

2026-06-21Read More ⟶
Kubernetes RBAC Deep Dive: Least Privilege Access Control Patternsk8s

Kubernetes RBAC Deep Dive: Least Privilege Access Control Patterns

Learn everything about Kubernetes RBAC — from the 10 most common configuration mistakes that expose your cluster to proven least-privilege design patterns, CIS benchmark compliance, and a complete security audit checklist.

2026-06-20Read More ⟶
Kyverno vs OPA Gatekeeper: Which Kubernetes Admission Controller Should You Use?k8s

Kyverno vs OPA Gatekeeper: Which Kubernetes Admission Controller Should You Use?

Compare Kyverno and OPA Gatekeeper admission controllers for Kubernetes. Learn policy language differences, deployment patterns, real-world recommendations, and when to choose each.

2026-06-15Read More ⟶
Kubernetes Secrets Management: 12 Mistakes That Expose Your Cluster (and How to Fix Them)k8s

Kubernetes Secrets Management: 12 Mistakes That Expose Your Cluster (and How to Fix Them)

Learn the 12 most critical Kubernetes secrets management mistakes that expose production clusters to attacks, and follow concrete fixes with RBAC, encryption, and External Secrets Operator examples.

2026-06-15Read More ⟶
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