Open Source Security
How to Audit npm Postinstall Scripts Safely
Inspect every lifecycle script in your node_modules tree, disable dangerous ones by default, and catch malicious postinstall hooks before they execute.
Feb 8, 20264 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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What is a Package Manager
Package managers like npm and pip automate dependency resolution — and have been the entry point for incidents from event-stream to the xz-utils backdoor.
Feb 8, 20267 min read
Open Source Security
What is npm Security
A concrete look at npm security: real 2025 supply chain attacks on chalk and debug, the Shai-Hulud worm, and how teams actually defend the npm dependency tree.
Feb 8, 20268 min read
Open Source Security
What is PyPI Security
PyPI security stops typosquats, dependency confusion, and poisoned CI builds before pip install ever runs your code.
Feb 8, 20267 min read
Open Source Security
What is Maven Security
Maven security covers vulnerable dependencies, malicious plugins, and build-time risks in Java projects -- from Log4Shell to transitive dependency sprawl.
Feb 8, 20267 min read
Open Source Security
Go Module Checksum Database In Depth
The Go checksum database is one of the most successful supply chain controls in any mainstream ecosystem. Here is how it actually works and where it still has edges.
Feb 7, 20266 min read
Open Source Security
PyPI 2FA Enrollment: Enterprise Rollout
PyPI's 2FA mandate isn't just a personal-account concern anymore — enterprises publishing Python libraries have real rollout work to do. A playbook from the front lines.
Feb 6, 20266 min read
Open Source Security
Using cargo-audit and the RustSec Advisory Database to ca...
A hands-on cargo-audit tutorial: scan Rust dependencies against the RustSec advisory database, interpret results, and block vulnerable crates before they ship.
Feb 5, 20267 min read
Open Source Security
Python setuptools Security Considerations
setuptools is the default Python packaging backend and its security properties matter for anyone who builds, installs, or runs Python code. Here is what to watch.
Feb 4, 20267 min read
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