Sigstore, Cosign, and keyless container image signing
How Sigstore's Fulcio and Rekor make Cosign keyless container image signing possible, why Chainguard built its product around it, and where the real gaps still are.
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.
How Sigstore's Fulcio and Rekor make Cosign keyless container image signing possible, why Chainguard built its product around it, and where the real gaps still are.
A working template for legal and security teams to assess software supply chain risk against contractual, regulatory, and licensing exposure in 2026.
SLSA defines four build integrity levels to stop supply chain tampering. Learn what each level requires, who's adopting it, and its real limits.
In-toto attestation is a signed, verifiable record of how software was built. Here's how the format works, how it differs from an SBOM, and where it's used today.
Sigstore lets projects sign software with short-lived, identity-bound certificates instead of long-lived keys. Here's how Fulcio, Rekor, and Cosign actually work.
Software provenance proves where an artifact came from and how it was built. Learn what it is, why it matters, and how to verify it with SLSA and Sigstore.
Software attestations are signed, verifiable proofs of how code was built and secured — now a legal requirement for US federal software vendors since March 2024.
Fintechs ship fast and run on a thick layer of open source. Here is what the 2026 supply chain threat landscape looks like for a modern payments or lending platform, and the controls that actually scale.
How telecom operators should rebuild their software supply chain strategy for 2026: SBOM mandates, 5G core risks, vendor concentration, and reachability-driven prioritization.
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