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.
After the 2025 supply-chain waves, the ruby/rubygems community opened Discussion #9113 to evaluate a built-in cooldown feature for bundle update. Here is the defender argument and how to implement it today.
The npm Shai-Hulud, PyPI credential-leak, and tj-actions response postmortems published through 2025-2026 reveal a common communication shape. Here is the template, the timing, and the policy that turns the template into a fast response.
NuGet became the fifth major registry to ship Trusted Publishing in September 2025, with .NET package signing and ID prefix reservation forming a complete trust-signal stack for the ecosystem.
Through 2025-2026, Sonatype Nexus Firewall, JFrog Curation, and Harness Artifact Registry shipped policy features specifically aimed at the Shai-Hulud pass-through problem, where private mirrors silently replicated malicious upstream packages.
AWS measured the September 8 chalk/debug compromise being removed within 2.5 hours and Shai-Hulud 2.0 in November within 12 hours. Here is how the registry-side response workflow operates and how to consume the signal.
GitHub's 2026 roadmap puts Immutable Actions GA at the center of Actions supply-chain hardening, publishing actions as OCI artifacts with hash-mismatch fail-fast and full composite-action visibility.
By end of 2025, Trusted Publishing landed on PyPI, RubyGems, npm, crates.io, and NuGet. PyPI alone crossed one million Trusted-Publisher uploads. Here is the defender view of the cross-ecosystem rollout.
PyPI's Project Quarantine status, introduced in August 2024 and used roughly 140 times in its first year, replaces irreversible deletions with a reversible hidden state. Here is how the workflow operates and how to consume the signal.
On September 15, 2025, a self-replicating npm worm dubbed Shai-Hulud backdoored more than 500 packages, including @ctrl/tinycolor and CrowdStrike libraries, by pivoting through stolen publish tokens.
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