Engineering
Terraform Module Supply Chain Security
The dependency lockfile everyone commits only covers providers — your modules float free. Pinning, provenance, and the code-execution paths hiding inside terraform plan.
Aug 5, 20266 min read
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Supply Chain Security, in plain English.
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.
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Reproducible Builds: Why Bit-for-Bit Identical Matters
If two builds of the same source produce different binaries, you cannot prove what you shipped. How determinism breaks, the flags that fix it, and why auditors care.
Jul 29, 20266 min read
Engineering
Securing the .NET NuGet Supply Chain
Package source mapping, packages.lock.json, NuGetAudit and signature verification — .NET ships more built-in supply chain controls than any other ecosystem. Most teams enable none of them.
Jul 25, 20266 min read
Engineering
Homebrew Formula Security for Engineering Teams
Every brew install runs Ruby you didn't read on a laptop that holds your SSH keys and cloud credentials. How formulae, taps, casks and bottles actually differ in risk.
Jul 16, 20266 min read
Engineering
Insider Threats in Open Source Projects: Lessons from XZ Utils
The XZ Utils backdoor was a three-year social engineering operation, not a coding mistake. What the timeline shows about maintainer trust, and what you can actually monitor.
Jul 13, 20266 min read
Engineering
Securing GitHub Actions Reusable Workflows at Scale
Reusable workflows centralize CI logic — and centralize compromise. Pinning, secrets scoping, org policy, and the review process that keeps one bad merge from owning 400 repos.
Jun 17, 20266 min read
Engineering
Java Supply Chain Security Beyond Log4Shell
Log4Shell was the fire drill. The structural problems — unverified Maven resolution, invisible shaded jars, sprawling transitive graphs — are still there. Here's what to actually fix.
Jun 8, 20266 min read
Engineering
The Economics of Vulnerability Backlogs
A vulnerability backlog is an inventory problem with interest payments. Triage costs, carrying costs, and why fixing by EPSS beats fixing by CVSS on pure ROI.
Jun 4, 20267 min read
Engineering
Sigstore Cosign Keyless Signing Explained for Teams
Keyless signing swaps long-lived private keys for ten-minute certificates tied to an OIDC identity. How Fulcio and Rekor work, and how to roll it out without breaking deploys.
May 26, 20266 min read
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