UnitedHealth’s Optum left an AI chatbot, used by employees to ask questions about claims, exposed to the internet https://techcrunch.com/2024/12/13/unitedhealthcares-optum-left-an-ai-chatbot-used-by-employees-to-ask-questions-about-claims-exposed-to-the-internet/ "When TechCrunch asked the chatbot to “write a poem about denying a claim,” the chatbot produced a seven-paragraph stanza"