> CanisterWorm: The Self-Spreading npm Attack That Uses a Decentralized Server to Stay Alive

On March 20, 2026 at 20:45 UTC, Aikido Security detected an unusual pattern across the npm registry: dozens of packages from multiple organizations were receiving unauthorized patch updates, all containing the same hidden malicious code. What they had caught was CanisterWorm, a self-spreading npm worm deployed by the threat actor group TeamPCP. We track this […] The post CanisterWorm: The Self-Spreading npm Attack That Uses a Decentralized Server to Stay Alive appeared first on Security Boulevard.