
Breach by Design: How AI Agents Mapped a Path into Anthropic’s Business Systems
Cathedral, a new cybersecurity startup, used AI agents to find routes into Anthropic’s internal business systems in under 12 hours during an authorized security test. The researchers accessed a limited set of administrative systems—sales, HR and IT tools—pulling meeting transcripts, salary and job-offer details, and internal Slack messages. Anthropic confirmed the access was limited to business applications and said its core AI assets—model weights, source code, and customer prompts—were not…