DevSecOps
How to Rotate Build Signing Keys Safely
A step-by-step tutorial for rotating Cosign and GPG build signing keys without breaking existing attestations, verification chains, or downstream consumers.
Oct 8, 20246 min read
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 step-by-step tutorial for rotating Cosign and GPG build signing keys without breaking existing attestations, verification chains, or downstream consumers.
What Azure Container Registry actually guarantees about the images you pull — signing, attestation, content trust, and where the trust chain breaks in practice.
Image signing in ECR has moved from nice-to-have to table stakes. Here is what it actually takes to run cosign and AWS Signer in production without breaking every deploy.
PowerShell modules are a supply chain people forget exists, and the trust model is weaker than NuGet's. Here is why that matters.
If you cannot verify that your deployed artifact matches your reviewed source code, your entire code review process is security theater. Here is how to close that gap.
Artifact signing is having a moment, but most teams skip the fundamentals. Here is the first-principles case for why you sign, what you sign, and who verifies.
Weekly insights on software supply chain security, delivered to your inbox.