Cathedral, a cybersecurity startup founded by four former staffers of the Department of Government Efficiency (DOGE), says its AI agents reached Anthropic's internal systems in less than 12 hours by exploiting weaknesses in third-party administrative and sales software rather than Claude itself. Anthropic confirmed access to a limited set of sales, HR and IT systems holding business contact details and basic user account records, but says customer conversations, Claude responses, source code and model weights were not reached. Anthropic said Cathedral overstated the national security implications and did not disclose all of its activity, while Cathedral said it kept data access to the absolute minimum. A senior Trump administration official, speaking anonymously, said the report has circulated in government and raised national security concerns.
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