Natalie Wu is a Software Engineer at Lakera, a Swiss AI security company specializing in protecting large language models (LLMs) from vulnerabilities like prompt injection and data leaks. She contributes to Lakera’s flagship product, Lakera Guard, which secures AI applications with real-time threat detection and content moderation. Wu has also been involved in developing tools like Gandalf, an interactive game designed to test and improve LLM security by challenging users to extract passwords from increasingly secure models