Software Supply Chain Security
In-depth guides and analysis on software supply chain security from the Safeguard engineering team.
175 articles
Telecom Supply Chain Risk Controls in 2026
Practical supply chain controls for telecom operators in 2026, covering RAN software, OSS/BSS stacks, and the regulatory pressure from FCC and ENISA frameworks.
Provenance, Attestation, and Signing: A Practical Glossary
Provenance describes how software was built, attestations are signed claims about that process, and signing proves origin. Here's how the pieces fit.
Software supply chain security: threat vectors & solutions
Real incidents, real numbers: how modern software supply chain threat vectors work, why SBOMs alone don't stop them, and what actually closes the gap.
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.
Software Supply Chain Legal Risk Assessment Template 2026
A working template for legal and security teams to assess software supply chain risk against contractual, regulatory, and licensing exposure in 2026.
What is the SLSA Framework
SLSA defines four build integrity levels to stop supply chain tampering. Learn what each level requires, who's adopting it, and its real limits.
What is In-toto Attestation
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.
What is Sigstore
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.
What is Software Provenance
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.
What is an Attestation (Software Security)
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.
Fintech Software Supply Chain Realities in 2026
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.
Telecom Supply Chain Strategy for 2026
How telecom operators should rebuild their software supply chain strategy for 2026: SBOM mandates, 5G core risks, vendor concentration, and reachability-driven prioritization.