[Hidden Recording Device Found in OpenAI Office, Involved Employee Arrested by FBI] OpenAI's official news account, OpenAI Newsroom, posted on the X platform stating that a hidden, sophisticated recording device was discovered in one of its offices. Using its own models, OpenAI analyzed the device and its origin, confirming that it was installed by an employee a few days ago. OpenAI has handed the matter over to the FBI, which has carried out an arrest, and the investigation is ongoing. OpenAI stated that there is currently no evidence indicating the individual improperly accessed or stole model weights, source code, or customer data. The involved employee has been terminated.