A phishing-led npm supply chain attack compromised millions of weekly downloads, but IoCs, detection scripts, and remediation steps can help developers defend fast.
Supply chain attacks are back in the spotlight, and this time npm developers are the ones in the blast radius. Recently, multiple popular npm packages were compromised with backdoored versions that exfiltrate data to malicious infrastructure.
👉 The root cause? A phishing campaign against a core npm developer, which resulted in stolen credentials. With this foothold, attackers were able to publish backdoored versions of critical libraries, escalating this into one of the biggest npm supply chain incidents ever.
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This article covers:
- ✅ Indicators of Compromise (IoCs)
- ✅ A ready-to-use detection script (
IoC_Scan.py) - ✅ Impacted packages with download stats
- ✅ Static red flag patterns for manual hunting
- ✅ Practical remediation guidance
Because when dependency hell meets supply chain compromise… you don’t want to be caught unprepared…