HackerOne

HackerOne is a company specializing in cybersecurity, specifically attack resistance management, which blends the security expertise of ethical hackers with asset discovery, continuous assessment, and process enhancement to find and close gaps in the digital attack surface. It was one of the first companies to embrace and utilize crowd-sourced security and cybersecurity researchers as linchpins of its business model; pioneering bug bounty and coordinated vulnerability disclosure. As of December 2022, HackerOne's network had paid over $230 million in bounties. HackerOne's customers include The U.S. Department of Defense, General Motors, GitHub, Goldman Sachs, Google, Hyatt, Lufthansa, Microsoft, MINDEF Singapore, Nintendo, PayPal, Slack, Twitter, and Yahoo.