I built a pre-install security scanner because npm install scared me
javascript•Jan 10, 2026

I built a pre-install security scanner because npm install scared me

The author's terrifying experience with npm install and the introduction of Sapo, a CLI tool that scans packages before installation to prevent supply chain attacks.

devTo

devTo

Original source

Key summary

The author shares a personal experience of running npm install without knowing what code would execute on their machine, highlighting the risk of supply chain attacks. They introduce Sapo, a CLI tool that scans packages before installation to prevent such attacks.

TL;DR

  • npm install can execute unknown code on your machine
  • Supply chain attacks are a real threat
  • Sapo is a CLI tool that scans packages before installation
  • Sapo can detect typosquatting and block malicious packages
  • Sapo is available on GitHub and its website
  • Sapo provides templates for storing snippets and FAQs
  • Sapo can help prevent exfiltration of sensitive data

This content is automatically summarized using AI. For full context, always refer to the original article.

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