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 Ratings4.4
Overall CultureB

Latest Updates

Employees (est.) (Feb 2021)1,954(+4%)
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, New York, Paris, Groningen and in 1 other location
San Francisco, CA, US (HQ)
22 4th St 5th floor, San Francisco
New York, NY, US
67 Irving Pl Floor 9
Paris, FR
64-66 Rue des Archives 8th floor
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

$36.40 m

Time since last funding

a year 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


1.50 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 News and Updates

Bug bounty startup HackerOne suffers breach due to analyst mistake

Bug bounty program startup HackerOne Inc. has suffered a data breach after accidentally giving a researcher the ability to read and modify some of its bug reports. The incident occurred due to an analyst at Hackerone who was corresponding with the researcher providing a cURL command that mistakenly…

Bug bounty startup HackerOne raises $36.4M to expand global reach

Bug bounty startup HackerOne Inc. has raised $36.4 million in new funding to expand globally and scale up enterprise and data-powered offerings. The Series D round was led by Valor Equity Partners and included previous investors Benchmark, New Enterprise Associates, Dragoneer Investment Group and E…

HackerOne just closed a new round of funding that brings its total funding to $110 million

HackerOne, the seven-year-old, San Francisco-based company that mediates between hackers and companies interested in testing their online vulnerabilities, has raised $36.4 million in Series D funding that brings the company’s total funding to date to  $110 million. The deal was led by Valor Equity P…

Bug bounty platform HackerOne raises $36.4 million

Bug bounty platform HackerOne has raised $36.4 million in a round led by Valor Equity Partners, taking its total funding past $110 million.
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HackerOne Blogs

Hacker Spotlight: Interview with bugdiscloseguys

Your neighborhood hacker as he claims himself, @bugdiscloseguys is featured in this week’s Hacker Spotlight blog post series.

Commerce Giant Shopify Kicks Off 2021 with HackerOne (Virtual) Live Hacking Event: h1-2102

HackerOne’s first virtual live hacking event of the year kicked off with Shopify in January 2021. Read this blog post to learn more about how Shopify builds relationships with hackers through live events like h1-2102, and find out who the award winners are.

Hacker Spotlight: Interview with Geekboy

“Always be curious about what you’re trying to learn.” @Geekboy is featured in this week’s Hacker Spotlight sharing his background and insights on hacking and bug bounties.

The Rise of Misconfiguration and Supply Chain Vulnerabilities

The vulnerability of supply chains has been top of mind since the SolarWinds attack, which still dominates headlines, but last week's Singtel breach also reflects the rise of breaches triggered by misconfiguration vulnerabilities.

Hacker Spotlight: Interview with dkd

This week’s hacker spotlight features @dkd, a generally private hacker who was excited to share his experience!

Hacker Spotlight: Interview with notnaffy

Entrepreneur and hacker, @notnaffy talks about his journey in hacking through the years and his methodologies. Read this epic Q&A in this week’s hacker spotlights!
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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 1,954 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, New York, Paris, Groningen and in 1 other location.

  • How many offices does HackerOne have?

    HackerOne has 5 offices.