OverviewSuggest Edit

HackerOne is a company offering a hacker-powered security platform. It enables security researchers to find and report security holes to companies before they can get exploited. The platform provides security vulnerability reports of an organization, connected to its issue tracker, as well as promotes interaction among all stakeholders and the power to pay bounties, enabling clients to improve vulnerability coordination process.

HQSan Francisco, CA, US
Employee Ratings4.2
Overall CultureA

Latest Updates

Employees (est.) (Jun 2021)2,194(+4%)
Job Openings24
Cybersecurity ratingAMore

Key People/Management at HackerOne

Mårten Mickos

Mårten Mickos

Alex Rice

Alex Rice

Co-Founder and CTO
Michiel Prins

Michiel Prins

Co-Founder & Product
Jobert Abma

Jobert Abma

Co-Founder & Engineering
Liz Brittain

Liz Brittain

Marjorie Janiewicz

Marjorie Janiewicz

SVP os Sales
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HackerOne Office Locations

HackerOne has offices in San Francisco, Groningen and London
San Francisco, CA, US (HQ)
22 4th St 5th floor, San Francisco
Groningen, NL
Griffeweg 97
London, GB
4th Floor, 3 Valentine Pl, South Bank
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HackerOne Financials and Metrics

Summary Metrics

Founding Date


HackerOne total Funding

$110.4 m

HackerOne latest funding size

$36.4 m

Time since last funding

2 years ago

HackerOne investors

HackerOne's latest funding round in September 2019 was reported to be $36.4 m. In total, HackerOne has raised $110.4 m
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HackerOne Operating Metrics

HackerOne's Customers was reported to be 1.5 k in Sep, 2019.
Y, 2018Sep, 2019Feb, 2020

Bounties Paid

$19 m$7 m


1.5 k

Vulnerability Reports Processed

800 k
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HackerOne Cybersecurity Score

Cybersecurity ratingPremium dataset



SecurityScorecard logo

HackerOne Online and Social Media Presence

Embed Graph

HackerOne Company Culture

  • Overall Culture



  • CEO Rating



  • Compensation



  • Diversity



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HackerOne Blogs

Citrix’s Hacker-Powered Security Growth Plan: Q&A with Abhijith Chandrashekar

We recently sat down with Abhijith Chandrashekar, PSIRT Manager at Citrix, to discuss why Citrix continues to expand their bug bounty program and learn about their cloud security and scope expansion plans. Read on to see what he had to say.

What is Penetration Testing? How Does It Work Step-by-Step?

Penetration testing, aka pen testing or ethical hacking, attempts to attempt to breach a system's security for the purpose of vulnerability identification. Testing is done in an authorized and structured manner to report and rectify so that weaknesses can be reported and rectified.

60 days of insights from the DoD’s Defense Industrial Base Vulnerability Disclosure Program Pilot

It's been 60 days since the DoD's Defense Industrial Base Vulnerability Disclosure Program (DIB-VDP) pilot launched. In this blog, DC3 and HackerOne sit down to talk about the pilot’s early successes, learnings to date, and their goals for the future.

Announcing Hack the Army 3.0 Results: A Conversation with Defense Digital Service, U.S. Army, and Hack the Army 3.0’s Top Hacker

HackerOne sat down with DDS and Army program leaders and one of the security researchers who hacked the Army. We discussed why Hack the matters, the results that were uncovered in Hack the Army 3.0, and their plans for the future of cybersecurity within the DoD and the U.S. Military. Read on to see …

Build a Resilient Security Posture with Vulnerability Intelligence and Cybersecurity Ratings

Reducing risk is the fundamental reason organizations invest in cybersecurity. As the threat landscape grows and evolves, organizations need a proactive approach to building and protecting their security posture.
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HackerOne Frequently Asked Questions

  • When was HackerOne founded?

    HackerOne was founded in 2012.

  • Who are HackerOne key executives?

    HackerOne's key executives are Mårten Mickos, Alex Rice and Michiel Prins.

  • How many employees does HackerOne have?

    HackerOne has 2,194 employees.

  • Who are HackerOne competitors?

    Competitors of HackerOne include Cobalt, TraitWare and SecureWorks.

  • Where is HackerOne headquarters?

    HackerOne headquarters is located at 22 4th St 5th floor, San Francisco, San Francisco.

  • Where are HackerOne offices?

    HackerOne has offices in San Francisco, Groningen and London.

  • How many offices does HackerOne have?

    HackerOne has 3 offices.