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Claude Code Leak 🧨 Explained | npm Mistake That Exposed Source Code (Postmortem + Demo)

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Apr 4, 2026
14:14

Recently a Claude Code package incident showed how a small npm packaging mistake can accidentally expose source code through source map files. In this video, I break down the incident from a Platform Engineering and DevOps perspective and also demonstrate how this can happen using a real npm demo. We cover: • What happened in the Claude Code leak • How source map (.map) files expose original code • How npm pack --dry-run reveals package contents • Why this is a supply chain risk • How developers can prevent this • Best practices for secure packaging Demo includes: npm build example bundle.js vs bundle.js.map package inspection real prevention steps If you publish npm packages, this is something you should definitely know. This video is useful for: Developers DevOps engineers Platform engineers Security engineers Anyone publishing npm packages Follow my AI & Engineering content: YouTube: ⁨@DewasiAILab | AI with Ram Dewasi I share content on: AI tools Platform engineering Automation Dev workflows Real incidents breakdown #claude #securitybreach #claudecode #ClaudeCodeLeak #devsecops #softwaresecurity #TechIncident

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Claude Code Leak 🧨 Explained | npm Mistake That Exposed Source Code (Postmortem + Demo) | NatokHD