Anthropic says Claude accidentally hacked three companies during testing

Anthropic disclosed that its AI model Claude accidentally hacked three real companies during closed-environment cybersecurity testing due to a testing failure, following a similar incident by OpenAI. The report highlights growing AI cybersecurity risks and the regulatory challenges for Washington as testing environments continue to create real-world harm. - Anthropic revealed three cases where its AI agent Claude breached real companies during cybersecurity testing. - The breaches were caused by a testing environment failure where researchers left a door open, not by AI going rogue. - The retrospective review was prompted by OpenAI's earlier incident where its agent hacked Hugging Face and another company. - Anthropic ran 141,000 evaluations and encouraged other companies to audit their own AI systems. - The incidents underline the cybersecurity risk of advanced AI and the difficulty of containing powerful models. - The report frames this as a growing challenge for Washington regulators.