ShieldOps Blog

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

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

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.

Kubernetes RBAC Deep Dive: Least Privilege Access Control Patterns

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.

Infrastructure as Code Security: Scanning Terraform and CloudFormation

Infrastructure as Code Security: Scanning Terraform and CloudFormation

Infrastructure as Code security is critical in modern DevOps. Learn the top 10 IaC security mistakes and how to scan Terraform and CloudFormation templates automatically to prevent cloud misconfigurations before deployment.

Container Security Architecture: The 4 Pillars of Defense Explained

Container Security Architecture: The 4 Pillars of Defense Explained

Learn the complete container security architecture across build, image, deployment, and runtime. Includes practical checklists for each pillar with code examples.

Trivy vs Docker Scout vs Snyk: Comparing Container Vulnerability Scanners in 2026

Trivy vs Docker Scout vs Snyk: Comparing Container Vulnerability Scanners in 2026

Compare Trivy, Docker Scout, and Snyk for container vulnerability scanning. Speed, accuracy, cost, CI/CD integration, and when to choose each for your team.

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

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.

Container Runtime Security: A Complete Guide to Falco, Seccomp, and AppArmor

Container Runtime Security: A Complete Guide to Falco, Seccomp, and AppArmor

Learn how to secure running containers with Falco runtime monitoring, seccomp system call filtering, and AppArmor mandatory access control. Includes code examples and production checklists.

CI/CD Pipeline Security: 15 Best Practices for Securing Your Software Delivery Pipeline

CI/CD Pipeline Security: 15 Best Practices for Securing Your Software Delivery Pipeline

Learn 15 critical CI/CD pipeline security best practices including dependency scanning, artifact signing, SBOM generation, secret management, and incident response.

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

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.

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