New Delhi, July 31 -- Frontier artificial intelligence (AI) company Anthropic said it has identified three incidents in which its Claude models accessed the internet during third-party cybersecurity evaluations and subsequently gained unauthorized access to the production systems of three different organizations.

The company said the review was launched after OpenAI disclosed on July 21 that some of its models had accessed production infrastructure.

Anthropic said the incidents involved Opus 4.7, Mythos 5 and an internal research test model, with the earliest cases dating back to April. The models were tested without standard safeguards such as classifiers and monitoring, although model-specific safety training remained active. The eval...