container-security
Safeguard articles tagged "container-security" — guides, analysis, and best practices for software supply chain and application security.
446 articles
Docker Node Alpine: When to Use the Slim Image
Node Alpine Docker images cut attack surface and pull times dramatically, but musl libc compatibility gaps mean they're not a drop-in replacement for every Node project.
Choosing Secure Node.js Docker Images
How to pick Node.js Docker images that stay small and secure: comparing slim, Alpine, and distroless variants, pinning versions, and scanning for CVEs.
Kubernetes CVE News: How to Track and Respond to Cluster Vulnerabilities
Where Kubernetes CVE news actually breaks, how to read a cluster advisory, and a repeatable process for triaging vulnerabilities before they turn into an incident.
Docker Hub Node.js Images: How to Pick and Harden the Right Tag
The official Docker Hub Node.js images come in a dozen variants, and the tag you choose decides your image size, patch cadence, and attack surface. Here is how to read them.
How Does a Kubernetes Security Breach Happen and How Do You Prevent One?
Most Kubernetes security breaches trace back to exposed dashboards, leaked credentials, and over-permissive RBAC. Here is how the real attacks unfolded and what stops them.
Critical RCE via ImageMagick: hacking Docker containers
ImageTragick and CVE-2022-44268 show how one image-processing library keeps handing attackers shells and secrets inside Docker containers.
Node Docker Images: Picking the Right Base for Production
The node docker image you pick as a base determines most of your container's attack surface and size. Here's how to choose between full, slim, and alpine variants for production.
Docker and npm: How to Build Secure Node.js Images
Combining Docker and npm the naive way ships a bloated, vulnerable image. Here is how to build lean, reproducible, and secure Node.js containers.
Safeguard vs Trivy: vulnerability scanning depth and reme...
Trivy scans fast and free, but leaves remediation to you. See how Safeguard's platform handles cross-repo correlation, prioritization, and audit-ready fix tracking.
OSS container image scanning tools compared
Trivy finds CVEs fast and free. Safeguard compares how each handles fleet-wide inventory, triage, policy enforcement, and audit evidence at scale.
Python Dockerfile Best Practices for Secure, Small Images
The Python Dockerfile best practices that matter most for security are running as a non-root user, choosing a slim base, using multi-stage builds, and pinning dependencies. Here is a working reference Dockerfile and why each line is there.
What is Trivy and how it compares to other open-source sc...
Trivy is Aqua Security's free open-source scanner for containers, IaC, and dependencies. Here's how it compares to Grype, Clair, and Snyk—and where it falls short.
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