A recent supply chain attack, dubbed “Shai-Hulud,” has compromised over 180 NPM packages, utilizing self-replicating malware to steal secrets and publicize them on GitHub. The attackers accessed more than 40 developer accounts, publishing over 700 malicious package versions. This self-propagating worm targets Linux and macOS environments, skipping Windows, and amplifies its impact through package inter-dependencies. The incident highlights the vulnerability of the software supply chain, necessitating rigorous audits, strong authentication, and protective measures to safeguard against future threats. As this sophisticated attack reflects a growing trend, organizations must enhance their cybersecurity posture to mitigate similar risks effectively.