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.
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.
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.
A practical walkthrough for signing container images with Cosign using keyless OIDC, verifying signatures, and enforcing policy in your Kubernetes cluster.
Wire Sigstore into GitHub Actions end-to-end: OIDC identity, Cosign signing, Rekor transparency, and policy-controller enforcement — with working snippets.
A hands-on tutorial for blocking unsigned container images at the Kubernetes admission layer using Cosign, Sigstore policy-controller, and keyless verification.
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.
Sigstore makes software signing accessible by eliminating the pain of key management. Here's how Cosign, Fulcio, and Rekor work together to verify software integrity.
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