HackerOne is a vulnerability coordination and bug bounty platform that connects businesses with penetration testers and cybersecurity researchers. The company was founded in 2012 by Michiel Prins and Jobert Abma and is headquartered in San Francisco, California. HackerOne has over 2,000 customers, including Airbnb, GitHub, Shopify, Spotify, and the U.S. Department of Defense. The company has raised over $110 million in funding from investors such as Benchmark, New Enterprise Associates, and Dragoneer Investment Group.