21CTO

Feb 16, 2021 · Information Security

How Hackers Exploit Dependency Confusion to Hijack Packages and Earn Bounties

Security researcher Alex Birsan demonstrates how simple dependency‑confusion attacks—registering private package names on public registries like npm, PyPI, and RubyGems—can silently compromise internal build systems of major tech firms, yielding high‑value bug bounties while exposing systemic risks in package management.