DeepSeek rocked the tech world and the financial markets when it hit the app stores a couple of weeks ago, promising to provide the same kinds of high-performing artificial intelligence models as the established players like OpenAI and Google at a fraction of the cost. But some in government and data security worry that the suddenly popular open-source AI assistant's ties to China could put American data at risk, comparing it to the social media platform TikTok, which members of Congress overwhelmingly voted to ban last year. Those concerns aren't limited to DeepSeek. They're something that everyone downloading AI chatbot…