Lakera has announced the launch of Mosscap, a new AI security game at DEFCON, designed to tackle prompt injection vulnerabilities in Large Language Models (LLMs) such as OpenAI's ChatGPT, Anthropic's Claude, and Google's Bard. Building on the success of their previous game, Gandalf, Mosscap aims to provide an engaging and educational experience for participants, highlighting the critical nature of prompt injection vulnerabilities, which rank as the top threat on the OWASP Top 10 LLM Vulnerabilities Report. The game, inspired by the "Monk and Robot" series, offers players an opportunity to understand and mitigate these vulnerabilities, with data collected during gameplay being made available for research purposes. Founded by former engineers from major tech companies, Lakera is committed to enhancing AI security and education, with Mosscap being a key initiative in their mission to equip AI developers with essential security expertise. For more details, interested individuals can visit Mosscap's official website and follow Lakera on social media platforms.