While the use of generative AI is rapidly expanding, addressing the associated risks has become a critical challenge. This presentation will begin by introducing the latest trends and effective use cases of generative AI. The second half will focus on the risks associated with it and how to mitigate them. We will also introduce "chakoshi," a Japanese safety guardrail developed by NTT DOCOMO Business. Through this presentation, you will learn how to maximize the value gained from generative AI while ensuring its safe and secure use.