Anthropic VS code extension on Cursor backdoored for nearly 12 hours

Anthropic VS code extension on Cursor backdoored for nearly 12 hours. It centres on Anthropic, and also names Cursor. Reported by Ars Technica. Bharat Hunt files it under AI Coding and AI Tools — the section covering code generation, developer agents, IDEs and software engineering.
Written by Bharat Hunt from the headline and the coverage below. The original reporting is the source of truth.