HackerOne
HackerOne is a cybersecurity company founded in 2012, based in San Francisco, CA. The company connects organizations with a global community of over 800,000 ethical hackers to identify and resolve security vulnerabilities. HackerOne operates primarily as a bug bounty platform, helping companies proactively discover security flaws before they can be exploited by malicious actors. The company offers a range of services, including managing bug bounty programs, vulnerability coordination, and advisory support for efficient security issue remediation. HackerOne also provides an API for integration with other security tools, online training courses for security researchers, and hosts live hacking events to engage the security community. Its customer base includes Fortune 500 companies, government agencies, and technology firms, all seeking to enhance their cybersecurity through ethical hacking and continuous vulnerability discovery.
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Headcount trend
HackerOne went from 3,613 employees in Oct 2024 to 4,449 in Sep 2026. Apr to Sep 2026: 207 people joined, 121 left.
Org structure
Headcount by department
Funding
- Jan 2022 · Series E · $49M · GP Bullhound, Benchmark, New Enterprise Associates
- Sep 2019 · Series D · $36.4M · Valor Equity Partners, Benchmark Capital, New Enterprise Associates
- Feb 2017 · Series C · $40M · New Enterprise Associates, Benchmark
- Jun 2015 · Series B · $25M · New Enterprise Associates, Benchmark Capital
- May 2014 · Series A · $9M · Benchmark Capital
Salaries at HackerOne
All salaries6 salary profiles in the US
H-1B sponsorship
This company sponsors H-1B visas
Peer reviews
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Anonymous peer reviews on OffTheRecord
Hiring now
Base Salary:
$202k - $275k
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$300k - $385k
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$200k - $256k
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$280k - $320k
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$141k - $173k
Base Salary:
$96k - $144k
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HackerOne FAQ
How many employees does HackerOne have?
HackerOne has about 4,449 employees, up 1% over the 3 months to Sep 2026.
What is HackerOne's revenue per employee?
HackerOne makes about $11K in revenue per employee, based on $50M annual revenue and 4,449 employees.
How much does HackerOne pay?
6figr has 6 salary profiles for HackerOne in the US and 3 in India, with pay broken down by role, level, gender and ethnicity on the HackerOne salaries page. See HackerOne salaries in the US
How much funding has HackerOne raised?
HackerOne has raised $159.4M in total funding; its latest round was Series E in Jan 2022.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.