Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
A docker scanner has to check three separate layers — base OS packages, application dependencies, and the Dockerfile itself — and most tools are genuinely strong at only one or two.
Knowing how to scan Docker images for vulnerabilities before they ship is the difference between catching a known CVE in CI and finding it in an incident report.
A practical checklist for choosing a container security scanner, covering base-image coverage, registry integration, runtime relevance, and how scan noise actually gets managed.
One flag, --privileged, hands a container almost the same power as root on the host. Here is exactly what it turns on, why it breaks isolation, and the narrow capabilities that replace it.
Docker image labels are free-form key-value metadata that, used well, drive SBOM generation, ownership tracing, and vulnerability triage — used poorly, they're just clutter in the Dockerfile.
The default node image on Docker Hub ships a full Debian userland most services never touch — knowing when slim, alpine, or distroless actually pays off keeps builds smaller without breaking native modules.
To list images in a Docker registry you query the Registry HTTP API v2 directly, because the docker CLI has no command to enumerate a remote registry. Here is how to do it, and how to lock the endpoint down.
A container image security tool scans layers, packages, and configuration inside an image before and after it ships — here's how the major approaches differ and what actually matters when picking one.
Image scanning, runtime monitoring, and configuration auditing all count as container security testing, but they catch different things at different stages — here's how to combine them.
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