container-security
Safeguard articles tagged "container-security" — guides, analysis, and best practices for software supply chain and application security.
385 articles
Reducing the Attack Surface of Your Docker Images
Every binary, library, and shell in a Docker image is attack surface. Here is how to strip an image down to the bytes your app actually needs — and cut your CVE count by up to 95%.
Best Kubernetes Security Tools in 2026: A Buyer's Guide
A balanced buyer's guide to the best Kubernetes security tools in 2026 — Aqua, Sysdig, Falco, Kubescape, Trivy, and Wiz — covering image scanning, admission control, runtime detection, and KSPM, plus where Safeguard fits.
Best Vulnerability Scanners in 2026: A Buyer's Guide
A balanced guide to the best vulnerability scanners in 2026 across network, cloud, container, and software layers — Tenable, Qualys, Rapid7, Wiz, Trivy, and Snyk — with honest tradeoffs and where Safeguard fits for software and supply-chain scanning.
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.
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.