Developer Security Alert•Security•10 June 2026
AI Coding Tools Are Now an Attack Surface: What the Microsoft GitHub Miasma Worm Incident Means for Cloud Security
Microsoft GitHub repositories were hit by the Miasma worm campaign. Learn what happened, why AI coding tools increase risk, and how to protect credentials.
The Miasma incident shows that supply chain attacks can now target the editor and AI coding environment, not just package installs.
A trusted repository can carry credential-harvesting logic through configuration files, hooks, and auto-run tasks.
For businesses, GitHub, cloud credentials, CI/CD, and developer laptops are one connected security surface.