Emerging Technology
GitHub Actions Cache Poisoning Attack Class 2025
GitHub Actions caches were never designed as a trust boundary. In 2025 researchers turned that mismatch into a repeatable supply-chain attack pattern.
Mar 17, 20268 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.
GitHub Actions caches were never designed as a trust boundary. In 2025 researchers turned that mismatch into a repeatable supply-chain attack pattern.
Build systems hold broad trust and tight deadlines, which makes them perfect confused deputies. Here is how the attack pattern shows up in modern CI/CD and how to defang it.
Set up the Safeguard GitHub Action to block risky pull requests on dependency vulnerabilities, license violations, and policy breaches before merge.
Shift-left security doesn't mean dumping security tools on developers. Here's a practical guide to integrating security into your development workflow without killing velocity.
How OpenTelemetry turns CI/CD pipelines into a traceable, queryable graph that exposes supply chain risk from source control to production deployment.
A security review of Woodpecker CI, the community fork of Drone: runner isolation, secret handling, plugin ecosystem, and the trade-offs of running a self-hosted lightweight CI.
The Go build cache makes builds fast and reproducible, but a poisoned cache can reuse malicious compiled output indefinitely while the source looks clean.
Design a Loki-based log pipeline for CI/CD observability and supply chain forensics. Labels, retention, LogQL patterns, and cost discipline from the field.
A practical hardening guide for Concourse CI: resource type trust, worker isolation, team-level RBAC, and the var source security that underpins the platform's multi-tenancy model.
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