Toyota Motor Corp. and Mitsubishi Heavy Industries Ltd. have banned their employees from using a generative artificial intelligence model developed by Chinese startup DeepSeek, officials said Wednesday, reflecting the widening concerns among Japanese companies over the technology's data security.The rollout in January of the latest series of the Chinese AI chatbot, also called DeepSeek, has garnered huge attention globally, with the company claiming that the model performs on par with U.S. company OpenAI's ChatGPT while reportedly having been developed at a much lower cost.But moves to rest…READ FULL ARTICLE