container-security
Safeguard articles tagged "container-security" — guides, analysis, and best practices for software supply chain and application security.
385 articles
The Cost Multiplier Effect of Fixing Vulnerabilities in P...
A misconfigured base image caught at build time costs minutes to fix. Found in production, the same CVE triggers incident response and audits.
Multi-Cloud Complexity as a Hidden Security Tax on Engine...
Multi-cloud isn't a strategy most teams chose — it's an accumulation. Here's where the hidden security tax of running AWS, Azure, and GCP together actually gets paid, and how to stop paying it.
Why Container Registries Are an Underexamined Supply Chai...
Registries decide what code actually runs in production, yet most security programs treat them as passive storage. Here's why that's a costly blind spot.
Sigstore Cosign Keyless Signing Explained for Teams
Keyless signing swaps long-lived private keys for ten-minute certificates tied to an OIDC identity. How Fulcio and Rekor work, and how to roll it out without breaking deploys.
Kubernetes securityContext, Explained From Scratch
How security context in kubernetes actually works at the pod and container level, what kubernetes runasuser and capability drops do, and a sane default policy to start from.
Kubernetes Security Breaches: What Actually Happened in Real Incidents
Real Kubernetes security breaches rarely start with an exotic zero-day — exposed dashboards, misconfigured RBAC, and default credentials show up again and again.
Docker Rebuild Strategies: Cache and Layers Done Right
Docker rebuild speed and security both come down to how you order layers and invalidate cache — get it wrong and you either wait ten minutes per build or ship stale, unpatched images.
Dockerizing Node.js and PHP Apps: A Practical Guide
Writing a node js dockerfile and learning how to dockerize php application deployments both hinge on the same handful of decisions — base image, layer order, and what you leave out of the final image.
Kubernetes 1.33 Security Deep Dive
Kubernetes 1.33 shipped with meaningful security changes: stronger admission controls, expanded structured authorization, and several deprecations that will affect production clusters.
Rebuilding Docker Images: When and How
Knowing how to rebuild a Docker image correctly — and when a cached layer is silently serving stale, vulnerable code — matters more than most teams realize until a patch doesn't actually land.
Docker Scratch Images: When (and When Not) to Use Them
A docker scratch image starts from nothing — no shell, no package manager, no OS layer — which makes it the smallest possible attack surface, but only for binaries built to run without one.
Kubernetes SecurityContext, Field by Field
SecurityContext in Kubernetes is where pod and container hardening actually lives — here's what each field controls and which defaults you should never leave in place.