In the short time since Chinese AI developer DeekSeek released its R1 open-source large language model (LLM) into the marketplace, a firestorm of controversy has developed that touches multiple aspects of its use, including U.S. national security. In addition to a complete ban on its use within Italy, several national governments and U.S. states have banned its use on employee devices. Is R1 truly a threat, and if so, how? More importantly, what are the legal implications and requirements of its use? In this fireside chat, a team of AI, cybersecurity, and privacy attorneys join Brandon Dunlap to discuss the many legal aspects of using R1 and other open-source LLMs.