About HackerOne
HackerOne is a global leader in Continuous Threat Exposure Management (CTEM). The HackerOne Platform unites agentic AI solutions with the ingenuity of the world’s largest community of security researchers to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. Through solutions like bug bounty, vulnerability disclosure, agentic pentesting, AI red teaming, and code security, HackerOne delivers measurable, continuous reduction of cyber risk for enterprises. Industry leaders, including Anthropic, Crypto.com, General Motors, Goldman Sachs, Lufthansa, Uber, UK Ministry of Defence, and the U.S. Department of Defense, trust HackerOne to safeguard their digital ecosystems. HackerOne was recognized in Gartner’s Emerging Tech Impact Radar: AI Cybersecurity Ecosystem report for its leadership in AI Security Testing and has been named a Most Loved Workplace for Young Professionals (2024). MillionPhones has 16 verified mobile phone numbers for HackerOne employees across 4 departments, helping sales teams connect with decision-makers directly.
HackerOne Leadership — Direct Phone Numbers Available
HackerOne Phone Numbers by Department
| Department | Contacts | Verified Mobiles | Coverage |
|---|---|---|---|
| Other | 7 | 69% | |
| Engineering | 3 | 80% | |
| Executive | 2 | 67% | |
| Sales | 1 | 60% |