AI Startup Claims Rapid Hacking of Anthropic, Exposing Sensitive Data in Under 12 Hours

AI News

AI Startup Claims Rapid Hacking of Anthropic, Exposing Sensitive Data in Under 12 Hours

AI startup claims it hacked Anthropic in 12 hours, gains access to employee details and internal messages

10/28/2026

An AI startup seemingly gave Anthropic a taste of its own medicine when it used AI agents to break into the company and expose sensitive data.The company in question is called Cathedral, which was...

Independent

Anthropic hacked by AI startup in less than 12 hours, report claims

10/28/2026

‘If a bunch of kids can do this, then potentially the Chinese aren’t far behind,’ says Trump official

THE DECODER

AI agents hacked Anthropic, maker of arguably the most capable AI models for cyberdefense

10/28/2026

Cybersecurity startup Cathedral used AI agents to break into Anthropic's internal systems through third-party software as part of a bug bounty program. Anthropic confirmed access to sales, HR, and...

Fast Company

Former DOGE staffers say they just hacked Anthropic in less than 12 hours

10/27/2026

The Trump-connected cybersecurity startup Cathedral says it accessed Anthropic’s internal data and Slack messages by exploiting vulnerabilities in third-party business software.

Firstpost

AI agents accessed Anthropic's salary records and Slack messages in under 12 hours, report claims

10/27/2026

Cybersecurity startup Cathedral reportedly used autonomous AI agents to access parts of Anthropic's internal business systems, including HR records and Slack messages. The incident has renewed...

Techreport

AI Agents Reached Anthropic’s Business Systems in Under 12 Hours

10/27/2026

Security startup Cathedral says AI agents found paths into Anthropic's sales, HR and IT systems in under 12 hours; Anthropic says critical assets were untouched.