General InformationHackerOne is a San Francisco-based bug bounty and vulnerability disclosure platform founded in 2012 with over 500 employees that helps organizations identify security vulnerabilities through crowdsourced ethical hacking.
Funding & FinancialsHackerOne went public via NASDAQ IPO in 2021 and has raised over $200M across multiple rounds from investors including Menlo Ventures, Benchmark, and Microsoft Ventures.
Leadership & TeamFounded by Dirk van Lommel and Robert Lemos, with CEO Marten Mickos joining in 2015 to lead the company through its growth and eventual IPO.
Recent ActivityHackerOne has expanded its defense-tech focus with partnerships and platform enhancements for government and DoD contractors, positioning itself as a critical infrastructure security partner for vulnerability management and responsible disclosure.