kubernetes
Safeguard articles tagged "kubernetes" — guides, analysis, and best practices for software supply chain and application security.
100 articles
Rolling Out Zero-CVE Base Images Org-Wide
A pragmatic playbook for migrating an entire engineering organisation onto zero-CVE base images, covering pilot selection, registry mirroring, drift control, and the hard people-side of the rollout.
Sigstore Policy Controller v0.15: TUF Delegation and Admission Posture
Policy Controller v0.15 ships sigstore-go's delegation-aware TUF client, a monthly cadence, and tighter integration with cosign 3.x. We benchmarked admission on a 400-node cluster.
Container Supply Chain Defence: Build To Run
An end-to-end view of container supply chain controls from source through registry to runtime, covering signing, attestation, admission policy, and runtime drift, with concrete checkpoints at each stage.
cAdvisor: Container Resource Monitoring, Explained
cAdvisor gives you per-container CPU, memory, network, and filesystem metrics out of the box — here's what it actually measures, how it fits with Prometheus and Kubernetes, and where its limits show up.
Kubernetes Admission Policy Real-World Deployment
What it actually takes to put Kubernetes admission policy into enforcement mode without breaking deployments: phased rollout, exception workflows, audit-mode hygiene, and policy authoring conventions that survive contact with engineers.
Container Image Supply Chain: From Dockerfile to Production
Every container pulled in production is a trust decision. Here's how to secure the chain from base image selection through Dockerfile to admission control.
Pod Supply Chain Attestation Validation
How to validate supply chain attestations at pod admission time without grinding deployments to a halt: which attestation types actually matter, how to chain verifications, and how to fail useful.
Container Image Digests vs Tags: Why Pinning Matters
A tag is a mutable pointer; a digest is the image. Pinning by digest is the difference between deploying what you tested and deploying whatever the registry says today.
Aqua Security Platform Buyer Review 2026
An in-depth 2026 buyer review of the Aqua Security platform: runtime protection, image scanning, Kubernetes posture, pricing, and where Aqua fits and where it does not.
Container Security Scanning Tools: How to Choose in 2026
Container security scanning tools find vulnerabilities in your images, layers, and dependencies before they reach production. Here is how the categories compare and what to look for.
OCI Artifact Signing Rollout Program
A program plan for getting OCI artifact signing across an organisation: trust roots, key custody, build integrations, registry policy, and the inevitable cleanup of unsigned legacy content.
Runtime Container Drift: Supply Chain Implications
Runtime drift is the last honest witness in container supply chain defence. This post covers what drift signals tell you, how to instrument for them, and how to investigate without overwhelming on-call.
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