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Cloud Security

Azure ACR Image Signing with Notation Policy

Azure Container Registry plus Notation gives you signing, trust policy, and AKS enforcement without bolting on Sigstore. Here is how the pieces actually fit together.

Feb 10, 20267 min read
Container Security

Fargate/ECS Container Supply Chain Pitfalls

The parts of container supply chain that break differently on AWS Fargate and ECS compared to Kubernetes, and what to do about each one in production.

Feb 6, 20267 min read
Cloud Security

AWS ECR Signing Policies with Notation

ECR now supports Notation-based image signing and trust policy enforcement. Here is how to design signing policies that survive scale and auditors.

Feb 5, 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
DevSecOps

Git Hooks as Supply Chain Controls in 2026

Server-side and client-side git hooks are an underused control surface for supply chain risk. Here is what to enforce, where to enforce it, and what to leave alone.

Jan 22, 20266 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
Tools

Cosign v2.6: New Bundle Format and Trusted Root

Sigstore's Cosign v2.6 unlocks offline verification, in-toto statement signing, and trusted-root portability. We walk through the new --new-bundle-format flag end-to-end.

Oct 21, 20255 min read
DevSecOps

How to Test Your Signing Pipeline End to End

Build a repeatable end-to-end test harness for your signing pipeline that proves artifacts are signed correctly and that verification fails when tampered.

Apr 10, 20256 min read
Open Source Security

NuGet Signed Packages Verification

NuGet supports signed packages — author signatures, repository signatures, and verification modes. A practical guide to enforcing it properly.

Nov 22, 20245 min read
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