ShieldOps Blog

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

Your First Security Scan: A Step-by-Step Guide With ShieldOps

Your First Security Scan: A Step-by-Step Guide With ShieldOps

A beginner-friendly step-by-step guide to running your first container security scan. Learn how to use Trivy for vulnerability scanning, analyze Dockerfiles with ShieldOps, understand CVSS scores, fix common issues, and automate scanning in CI/CD pipelines.

Docker vs Kubernetes Security: What Beginners Need to Know

Docker vs Kubernetes Security: What Beginners Need to Know

A beginner-friendly comparison of Docker security vs Kubernetes security. Learn the core differences, what each platform protects, common mistakes, and a practical checklist to secure your containerized stack effectively.

Understanding CVEs: How Vulnerability Databases Protect Your Software

Understanding CVEs: How Vulnerability Databases Protect Your Software

Every week, over 200 new vulnerabilities hit the National Vulnerability Database. Understanding CVEs, CVSS, EPSS, and how vulnerability databases work is the key to protecting your containers without drowning in alert fatigue. This beginner's guide explains everything you need to know.

What Is Container Security? A Beginner's Guide to Docker Safety

What Is Container Security? A Beginner's Guide to Docker Safety

What Is Container Security? A Beginner's Guide to Docker Safety. Learn the 7 key pillars of container security — image security, runtime protection, secrets management, networking, and more. Includes a 10-point checklist and FAQ.

Weekly Security Hygiene: A 15-Minute Checklist for Container Teams

Weekly Security Hygiene: A 15-Minute Checklist for Container Teams

Establish a 15-minute weekly container security hygiene routine that catches misconfigurations, stale credentials, and unpatched vulnerabilities before they become breaches. Includes a complete checklist with commands for vulnerability scanning, image freshness, runtime behavior, secret rotation, access control, compliance checks, and log review.

Shell Command Security: 10 Dangerous Patterns in Dockerfiles and How to Fix Them

Shell Command Security: 10 Dangerous Patterns in Dockerfiles and How to Fix Them

Shell commands are the most executed code in any Docker build yet the least audited. Learn 10 dangerous shell patterns — from curl|bash to injected secrets — and how to fix each one with secure alternatives.

4 Kubernetes Annotations That Instantly Improve Your Security Posture

4 Kubernetes Annotations That Instantly Improve Your Security Posture

Discover four Kubernetes annotations that instantly harden your cluster's security: seccomp syscall filtering, AppArmor profiles, Pod Security Admission enforcement, and ingress TLS-only access. Practical YAML examples included.

Docker Bridge Network Security: One Setting That Changes Everything

Docker Bridge Network Security: One Setting That Changes Everything

Docker's default bridge network leaves every container open to every other container — one compromised container becomes a launchpad for lateral movement. Learn how the single `icc: false` setting stops container-to-container attacks at the virtual switch level.

Container Vulnerability Triage: Separating Real Threats From Noise

Container Vulnerability Triage: Separating Real Threats From Noise

Container vulnerability triage is the systematic process of evaluating, prioritizing, and filtering security findings to separate real, exploitable threats from noise. Learn a practical 4-step framework that reduces scanner noise by 80% and catches every genuinely dangerous vulnerability.

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