The Shai-Hulud npm worm campaign
A self-replicating npm worm hit 500+ packages in September 2025 and 796 more in November — here's how Shai-Hulud actually spread, stole secrets, and what stops it.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
A self-replicating npm worm hit 500+ packages in September 2025 and 796 more in November — here's how Shai-Hulud actually spread, stole secrets, and what stops it.
Shai-Hulud's November 2025 second wave hit npm via a Bun-based worm, stealing cloud creds and re-publishing trojanized packages at scale.
TeamPCP's Mini Shai-Hulud worm hijacked 42 TanStack npm packages via stolen GitHub OIDC tokens, spreading to 169 packages with valid SLSA attestations.
A compromised npm maintainer account pushed 639 malicious @antv package versions in 10 minutes, stealing CI/CD secrets via a fake OpenTelemetry channel.
How the tj-actions/changed-files GitHub Action compromise (CVE-2025-30066) leaked CI/CD secrets from 23,000+ repos, and how to prevent it.
How a malicious pull request, a poisoned GitHub Actions cache, and a stored PyPI token turned the Ultralytics YOLO package into a cryptominer.
A compromised maintainer account pushed malicious axios releases carrying a cross-platform RAT to npm on March 31, 2026 — here's the full timeline and IOCs.
How a routine domain sale turned polyfill.io into malware served to 100,000+ sites, and how to catch supply chain takeovers before they ship.
PyPI typosquatting tricks developers into installing malicious lookalike packages via one-letter typos. Real incidents, attack patterns, and defenses inside.
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