Container Security
What is a Golden Image
A golden image is the hardened template every server and container is cloned from — powerful for consistency, dangerous when it goes stale. Here's how to secure it.
Feb 1, 20267 min read
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Supply Chain Security, in plain English.
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What is Image Signing
Container image signing binds a cryptographic signature to an image's digest so you can prove what's running is what was actually built — not just scanned.
Feb 1, 20267 min read
Container Security
What is Admission Control (Kubernetes)
Admission control is the last checkpoint in Kubernetes before an object is written to etcd — here's how webhooks, PSA, and policy engines enforce it.
Jan 31, 20267 min read
Container Security
Sigstore Policy Controller for K8s in Production
How the Sigstore Policy Controller actually runs in production, what it does better than Kyverno, and the operational pitfalls nobody mentions in the quickstart.
Jan 30, 20267 min read
Container Security
Cilium Tetragon Runtime Security with eBPF
A practical look at Cilium Tetragon for Kubernetes runtime security, what eBPF gives you that audit logs do not, and where Tetragon fits in a real stack.
Jan 26, 20267 min read
Container Security
Deploying Falco for Runtime Security in 2026
A pragmatic deployment guide for Falco 0.41 in production Kubernetes: driver selection, rule tuning, alert routing, and the operational debt teams underestimate.
Jan 22, 20265 min read
Container Security
Container Security Best Practices Checklist 2026
A practical container security checklist for 2026 covering base images, runtime controls, registry hygiene, and signing, with specific thresholds defenders can adopt.
Jan 22, 20265 min read
Container Security
Cosign for Container Signing: A Production Setup
A working production setup for Cosign image signing across CI, registries, and Kubernetes admission, including the parts that break at scale and how to recover.
Jan 22, 20267 min read
Container Security
How to enable and configure Amazon ECR image scanning for...
A step-by-step guide to enabling AWS ECR image scanning, from basic vs. enhanced scanning and scan-on-push to CI/CD gating, finding triage, and troubleshooting.
Jan 21, 20267 min read
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