Supply Chain Attacks
Anatomy of a self-propagating npm worm
In September 2025, one phished maintainer account led to malicious chalk and debug releases hitting over 2B weekly downloads within two hours.
Jul 8, 20267 min read
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Supply Chain Security, in plain English.
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How npm's default install behavior leaked macOS text-replacement secrets
npm auto-runs postinstall scripts with zero prompts on every install — a design choice Snyk showed in June 2023 can pull sensitive data out of macOS defaults.
Jul 8, 20266 min read
Supply Chain Attacks
Anatomy of an npm Build-Pipeline Hijack That Shipped a Cross-Platform RAT
One stolen npm token, three malicious releases, four hours online — and 8 million weekly downloads exposed to a cross-platform credential stealer.
Jul 8, 20266 min read
Application Security
Implementing SSL/TLS certificate pinning in Node.js
HTTP Public Key Pinning died in Chrome 67 back in 2018, yet Node.js apps still need pinning for mobile backends and server-to-server calls — here's how to do it without bricking your own API.
Jul 8, 20266 min read
Application Security
The security case for Node.js's newer runtime features
Node's permission model went stable in v23.5.0, the built-in test runner in v20 — both quietly shrink attack surface, but neither is the sandbox teams assume it is.
Jul 8, 20267 min read
Application Security
When Node.js sandboxing stops at the C++ boundary
Node's permission model can block a native addon from loading at all — but once it's in, a single buffer overflow in C++ can corrupt the whole process.
Jul 8, 20267 min read
Application Security
CSRF in Node.js: attack mechanics and modern mitigation
Express has never shipped CSRF protection in core, and its most popular middleware, csurf, was archived in 2022 — here's what actually replaces it.
Jul 8, 20267 min read
Application Security
Node.js vs Deno vs Bun: comparing their security models
Only one of the three major JavaScript runtimes denies system access by default — Node's permission model only went stable in v23.5.0, and Bun still has none.
Jul 8, 20266 min read
Application Security
The Security Implications of Misconfigured CORS in Node.js APIs
One line of Express middleware — reflecting Origin back with credentials: true — turns CORS from a browser protection into an authenticated data-exfiltration channel.
Jul 8, 20266 min read
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