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, US
Employee Ratings4.5

Latest Updates

Employees (est.) (Oct 2020)1,743(+3%)
Job Openings18
Cybersecurity ratingAMore

Key People/Management at HackerOne

Alex Rice

Alex Rice

CTO & Co-Founder
Marten Mickos

Marten Mickos

Michiel Prins

Michiel Prins

Co-Founder & Product
Jobert Abma

Jobert Abma

Co-Founder & Engineering
Liz Brittain

Liz Brittain

Marjorie Janiewicz

Marjorie Janiewicz

Senior Vice President Of Sales
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HackerOne Office Locations

HackerOne has offices in San Francisco, New York, Paris, Groningen and in 2 other locations
San Francisco, US (HQ)
22 4th St 5th floor, San Francisco
New York, US
33 Irving Pl
Paris, FR
64-66 Rue des Archives 8th floor
Groningen, NL
Griffeweg 97
Singapore, SG
9 Battery Rd, 8th Floor
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 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

AT&T Celebrates $1 Million Awarded to Hackers in One Year

AT&T recently celebrated its first anniversary on HackerOne, passing $1 million in payouts to more than 850 researchers worldwide. Read on to learn more about their program and successes over the last year.

Hacker Spotlight: Interview with ajxchapman

From pentester to full time bug bounty hunter, read about @ajxchapman and his story behind hacking.

H1-2010 FAQ’s

FAQ's from HackerOne's biggest virtual live hacking event with The Paranoids from Verizon Media, H1-2010.

Hacker Spotlight: Interview with bitK

Puzzle master and bug bounty hunter @bitK is featured on this week’s Hacker Spotlight to share his story.
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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 Alex Rice, Marten Mickos and Michiel Prins.

  • How many employees does HackerOne have?

    HackerOne has 1,743 employees.

  • Who are HackerOne competitors?

    Competitors of HackerOne include TraitWare, SecureWorks and Bugcrowd.

  • 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 2 other locations.

  • How many offices does HackerOne have?

    HackerOne has 6 offices.