Sha1-Hulud 3.0: Malicious npm Attack Risks π¨
Sha1-Hulud 3.0 is a supply chain attack that executes during npm install, compromising developer machines and CI/CD pipelines.

Phoenix Security
113.8K views β’ Jan 7, 2026

About this video
Sha1-Hulud 3.0 is not a typical vulnerability β itβs a malicious npm supply chain attack that executes at install time, inside developer machines and CI/CD pipelines.
00:00 β A supply chain attack that targets trust itself
00:23 β The real prize: CI, cloud, and release credentials
00:52 β From foothold to scale: how the attack evolved
01:35 β Why version 3 is quieter, smarter, and built to last
02:18 β The leadership takeaway: contain, prevent, detect
In this video, we break down how Sha1-Hulud evolved from earlier noisy worm-like variants into a stealthy, reliable threat that targets the most valuable layer of modern software delivery: build systems and automation.
Youβll learn:
β£ How install-time execution via npm lifecycle scripts enables silent compromise
β£ Why CI/CD environments and developer laptops are the real targets
β£ What changed in Sha1-Hulud 3.0 (stability, stealth, Windows compatibility)
β£ How stolen npm and GitHub tokens are used to propagate across packages
β£ Why even a single installation can have massive downstream impact
This attack shows why supply chain security is no longer about βbad packagesβ β itβs about protecting your build infrastructure as Tier-0.
π Full technical breakdown, IOCs, and mitigation guidance:
π https://phoenix.security/sha1-hulud-v3-npm-supply-chain-attack/
If youβre responsible for AppSec, DevSecOps, or CI security, this is a must-watch.
#Sha1Hulud #Sha1Hulud30 #ShaiHulud #SupplyChainAttack #SupplyChainSecurity #npmSecurity #JavaScriptSecurity #AppSec #DevSecOps #CICDSecurity #MalwareAnalysis #ThreatIntelligence #PhoenixSecurity
00:00 β A supply chain attack that targets trust itself
00:23 β The real prize: CI, cloud, and release credentials
00:52 β From foothold to scale: how the attack evolved
01:35 β Why version 3 is quieter, smarter, and built to last
02:18 β The leadership takeaway: contain, prevent, detect
In this video, we break down how Sha1-Hulud evolved from earlier noisy worm-like variants into a stealthy, reliable threat that targets the most valuable layer of modern software delivery: build systems and automation.
Youβll learn:
β£ How install-time execution via npm lifecycle scripts enables silent compromise
β£ Why CI/CD environments and developer laptops are the real targets
β£ What changed in Sha1-Hulud 3.0 (stability, stealth, Windows compatibility)
β£ How stolen npm and GitHub tokens are used to propagate across packages
β£ Why even a single installation can have massive downstream impact
This attack shows why supply chain security is no longer about βbad packagesβ β itβs about protecting your build infrastructure as Tier-0.
π Full technical breakdown, IOCs, and mitigation guidance:
π https://phoenix.security/sha1-hulud-v3-npm-supply-chain-attack/
If youβre responsible for AppSec, DevSecOps, or CI security, this is a must-watch.
#Sha1Hulud #Sha1Hulud30 #ShaiHulud #SupplyChainAttack #SupplyChainSecurity #npmSecurity #JavaScriptSecurity #AppSec #DevSecOps #CICDSecurity #MalwareAnalysis #ThreatIntelligence #PhoenixSecurity
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Video Information
Views
113.8K
Duration
2:44
Published
Jan 7, 2026
User Reviews
3.9
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