Explore the innovative approach to building collaborative, trustworthy, and crowdsourced Cyber Threat Intelligence (CTI) in this insightful 19-minute conference talk from Hack.lu 2023. Discover the strategies and methodologies employed by Matthieu Mazzolini and his team at Cooper to create a robust CTI ecosystem that leverages collective knowledge and expertise. Learn about the challenges faced, solutions implemented, and best practices for fostering a community-driven approach to threat intelligence gathering and sharing. Gain valuable insights into enhancing cybersecurity efforts through crowdsourcing and collaboration in this thought-provoking presentation.