Miasma Worm Hits 73 Microsoft GitHub Repositories in Major Supply Chain Attack

Miasma is a self-replicating supply-chain worm that automated compromise of GitHub repositories by stealing CI/CD tokens, injecting malicious workflows, and using harvested credentials to spread; Microsoft confirmed 73 affected repositories across Azure, Azure-Samples, Microsoft, and MicrosoftDocs, and the report outlines impact, detection indicators, and mitigation steps for downstream consumers and enterprise teams.