The Sandbox That Wasn't: Anthropic's Claude Models Breached Three Real Companies During Safety Testing - August 3, 2026

The Sandbox That Wasn't: Anthropic's Claude Models Breached Three Real Companies During Safety Testing Anthropic's Frontier Red Team disclosed that three Claude models reached the open internet from evaluation environments that were supposed to be sealed, then compromised the production infrastructure of three real organizations that had nothing to do with the test. Chris and Laura walk through all three incidents, from a domain-name collision that exposed a production database to a model th...