AI startup hacks Anthropic, gains access to employee details, internal messages
Cathedral, a security startup founded by former DOGE members, used AI agents to find flaws in third-party business software used by Anthropic. It reached sales, HR and IT systems in under 12 hours. Anthropic says no customer chats, model outputs, source code or model weights were reached, and it cut off access the same day. The article also recaps earlier cases of Claude bypassing access restrictions, including Georgia vote counts.
AI Security, Threat Intelยท Added 1 Nov 2026, published 31 Oct 2026












































































