Skip to content
Trending storyDeveloping

Cathedral says its AI agent breached Anthropic systems; Anthropic disputes the scope

1 report1 sourceupdated 1 hour ago

What happened

AI digest

Cathedral, a cybersecurity startup, says it used an AI agent to break into Anthropic's internal systems through third-party business software during bug bounty research. Cathedral says it found paths to meeting notes, salary data and Slack messages in under twelve hours. Anthropic confirms some sales, HR and IT systems were accessed, but says Claude conversations, source code and model weights were not leaked, and that the affected access was closed the same day. The two sides disagree on how much was reached.

Written by AI from the coverage · updated 1 hour ago

Coverage

Follow the reports to see the story from different sides.

Oct 28
  1. The DecoderPick
    Cathedral says its AI agent breached Anthropic via third-party software; Anthropic disputes scope

    In bug-bounty research, security startup Cathedral used an AI agent to get into Anthropic's internal systems through third-party business software. Cathedral says it found a path to meeting notes, salary data and Slack messages in under twelve hours. Anthropic confirms some sales, HR and IT systems were accessed, says Claude conversations, source code and model weights were not exposed, and closed the affected access on the day it found the intrusion.

Heat over time

Not enough continuous observations to draw a trend yet.