Startup Cathedral, founded by ex-DOGE staffers, breached Anthropic's systems using AI agents, accessing internal Slack

A months-old startup called Cathedral, founded by ex-DOGE staffers, used AI agents to breach Anthropic's systems in under 12 hours, accessing internal Slack discussions about advanced AI models, meeting transcripts, and salary and job-offer details. Anthropic says its model weights, source code and Claude customer conversations were not accessed.

Detected & updated continuously · Source: Nebula