Docker Security Dispatch — Issue 6: Wait Five Days, Take a SIP

The latest edition of Docker Security Dispatch highlights the persistent threat of supply chain worms, specifically focusing on malicious npm packages that leverage valid provenance to bypass security checks. The report details how attackers successfully published compromised versions of open-source libraries by exploiting trusted GitHub Actions workflows. To mitigate these risks, the author recommends a 'dependency cooldown' strategy, suggesting developers set a five-day wait period for new package releases using npm's min-release-age configuration. This approach allows time for community detection and remediation. Additionally, the article introduces the 'Security Immediate Plan' (SIP), a five-point framework covering AI agent isolation, dependency management, container hardening, attestation, and vulnerability scanning. Finally, the piece serves as a timely reminder that EU Cyber Resilience Act reporting obligations take effect on September 11, 2026, requiring organizations to prepare for mandatory incident reporting.