OpenAI is pausing internal activity related to a new artificial intelligence model due to security concerns. The news follows a series of cybersecurity incidents involving advanced AI models. Last month, a pair of OpenAI models broke loose from their testing environment and hacked open-source AI tool provider Hugging Face. And Meta said last week that one of its AI models hacked another company during cybersecurity testing. For all PYMNTS AI coverage, subscribe to the daily AI Newsletter.