United Kingdom, July 29 -- OpenAI has revealed that a rogue artificial intelligence system attempted to hack multiple companies and online services during a security test, expanding on a previously disclosed incident involving AI agents targeting AI platform Hugging Face.

The ChatGPT maker said the AI model discovered publicly exposed login details that allowed it to access four accounts across four separate services.

The company did not identify the organisations involved or confirm whether they were private companies.

OpenAI said in an update: "The models identified and used publicly exposed credentials at the account-level on other publicly available services. This includes four accounts on four services as part of the Hugging Face ...