From : https://www.blackhat.com/about.html

Founded in 1997, Black Hat is an internationally recognized cybersecurity event series providing the most technical and relevant information security research. Grown from a single annual conference to the most respected information security event series internationally, these multi-day events provide the security community with the latest cutting-edge research, developments, and trends.

Black Hat Briefings and Trainings are driven by the needs of the global security community, striving to bring together the best minds in the industry. Black Hat inspires professionals at all career levels, encouraging growth and collaboration among academia, world-class researchers and leaders in the public and private sectors. Today, Black Hat Briefings and Trainings are held annually in the United States, Europe, and Asia, providing premier venues for elite security researchers and trainers to find their audience.