container-security
Safeguard articles tagged "container-security" — guides, analysis, and best practices for software supply chain and application security.
446 articles
Docker Security Pro Tips: Hardening Beyond the Basics
You already use a non-root user and a slim base. These are the pro-level Docker hardening tips — read-only filesystems, dropped capabilities, and the docker.sock trap — that actually stop breakouts.
Kubernetes Security Tools: What to Use and Why
A Kubernetes security tool covers one slice of cluster risk — image scanning, admission control, runtime detection, or posture. Here is how to combine them.
How to Scan a Docker Image with Snyk (and What It Misses)
A practical guide to scanning a Snyk Docker image for vulnerabilities: the CLI workflow, base-image advice, free-tier limits, and where container scanning needs a second look.
Docker Image Security Best Practices
Every Docker layer you ship is attack surface you have to defend. Learn how to build lean, non-root, secret-free images that survive a registry scan and a real audit.
Best CNAPP Tools in 2026: A Practical Buyer's Guide
A balanced buyer's guide to the best CNAPP tools in 2026 — Wiz, Prisma Cloud, Microsoft Defender for Cloud, CrowdStrike, Orca, and Sysdig — with honest strengths, tradeoffs, and where a supply-chain layer like Safeguard fits alongside them.
Best Container Scanning Tools in 2026: An Honest Buyer's Guide
A balanced 2026 comparison of the leading container image scanners — Trivy, Grype, Snyk Container, Prisma Cloud, Wiz, and Docker Scout — with an honest look at where each fits and how Safeguard compares.
How to Containerize a Node.js App Securely
The default Node.js Dockerfile runs as root, ships dev dependencies, and bakes secrets into layers. Here is a secure, multi-stage build you can copy, step by step.
10 Docker image security best practices
Ten concrete Docker image security practices — minimal base images, secret handling, reachability-based scanning, non-root runtimes, and SBOMs — with real CVEs and data.
Top Docker security vulnerabilities to watch
Runc escapes, exposed Docker APIs, malicious registry images: the Docker vulnerabilities actually driving incidents in 2024-2025, and how to triage what's exploitable.
Choosing secure base images for containers
Base image choice drives most of your container's attack surface. Here's what secure Docker base images actually require, with concrete CVE data.
Distroless container images explained
Distroless images cut container size by up to 90% and eliminate OS-level CVEs, but they don't secure app dependencies. Here's how they work and where they fall short.
Alpine vs distroless: which base image is more secure
Alpine and distroless both shrink attack surface differently. We compare real CVEs, musl risks, and patch tradeoffs to settle which base image actually wins.
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