ShieldOps Blog

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

Docker Security Best Practices: 15 Critical Mistakes Teams Keep Making (and How to Fix Them)

Docker Security Best Practices: 15 Critical Mistakes Teams Keep Making (and How to Fix Them)

Learn the 15 most common Docker security mistakes that expose production containers to attacks, and follow these concrete fixes with code examples to secure your infrastructure today.

NIST SP 800-190 Checklist: 18 Container Security Controls for Compliance

NIST SP 800-190 Checklist: 18 Container Security Controls for Compliance

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Docker Secrets Management: Protecting API Keys and Credentials

Docker Secrets Management: Protecting API Keys and Credentials

Master Docker Secrets Management across all four layers: BuildKit for secure builds, Docker Compose for local development, Swarm for production, and HashiCorp Vault for enterprise scale. Real-world breach consequences, CIS benchmark alignment, and actionable 10-step checklist included.

Docker Compose Security: Hardening Multi-Service Deployments

Docker Compose Security: Hardening Multi-Service Deployments

A single misplaced ports: directive in docker-compose.yml can expose your entire backend. Learn the 7-step framework to harden multi-container deployments — network isolation, non-root users, capability drops, secrets management, image pinning, healthchecks, and continuous audit.

Multi-Stage Docker Builds: Security and Size Optimization Guide

Multi-Stage Docker Builds: Security and Size Optimization Guide

Multi-stage Docker builds are the single most effective technique for reducing container image size and eliminating unnecessary attack surface. This guide walks through every stage, from basic implementation to advanced security patterns.

Dockerfile FROM Instruction Risks: Choosing Secure Base Images

Dockerfile FROM Instruction Risks: Choosing Secure Base Images

The FROM instruction is the single most impactful security decision in any Dockerfile. Learn how to choose trusted base images, pin digests, and eliminate the largest class of container vulnerabilities at the source.

A Practical DevSecOps Checklist for Containerized Applications

A Practical DevSecOps Checklist for Containerized Applications

A practical DevSecOps checklist covering image scanning, CI/CD gates, secrets management, runtime protection, and compliance.

Kubernetes Pod Security in 2026: From Privileged Pods to Zero-Trust Workloads

Kubernetes Pod Security in 2026: From Privileged Pods to Zero-Trust Workloads

Kubernetes pod security in 2026 demands more than basic hardening. Learn how to eliminate privileged pods, enforce Pod Security Standards, and implement zero-trust workload identity for production clusters.

10 Dockerfile Security Mistakes Putting Containers at Risk

10 Dockerfile Security Mistakes Putting Containers at Risk

A single misconfigured Dockerfile can ship a vulnerable container before anyone notices. Learn the 10 most critical Dockerfile security mistakes, why linters miss them, and how to fix each one with ShieldOps AI.

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