HackerOne
HackerOne is a cybersecurity platform that connects enterprises with security researchers to identify and fix vulnerabilities. The company has raised $159M and employs 201-500 people.
About
HackerOne provides a platform for enterprises to manage cybersecurity risks through services like bug bounty programs, vulnerability disclosure, and AI-driven penetration testing. Its solutions target Fortune 500 companies and AI-native enterprises, focusing on continuous risk reduction across code, cloud, and AI systems.
The company has raised $159M, with its latest funding round in April 2022. Its workforce spans 201-500 employees, though specific headcount growth data is unavailable. HackerOne's model relies heavily on its global community of security researchers, positioning it as a leader in continuous threat exposure management.
Founders and leadership
HackerOne's largest function is Research, with 242 employees, reflecting its focus on security expertise. The company is led by a team with backing from notable investors like Benchmark and Dragoneer Investment Group.
The HackerOne org chart
Kara Sprague (Chief Executive Officer) leads 29 mapped leaders with 5 direct reports. Click +N to expand a team; names link to the person’s public profile.
Talent flow
HackerOne recruits heavily from cybersecurity-focused organizations like Synack Red Team and Bugcrowd, with 21 and 19 hires respectively. Alumni often move to firms like Deloitte and EY, with 8 hires each. The median tenure is 4 years, indicating moderate retention.
Most common previous employers of HackerOne staff: Synack Red Team (21), Bugcrowd (19), Virtually Testing Foundation (16), Deloitte (11), Information Technology Institute (ITI) (11), National Telecommunication Institute (NTI) (11). Former HackerOne employees most often moved to Deloitte (8), EY (8), Bugcrowd (6), XBOW (5), Resecurity (4), OffSec (4).
Alumni worth knowing
The HackerOne mafia
HackerOne alumni have founded 88 companies, including OffSec (1,143 staff), Privia Security (56 staff), and Elytron CyberSecurity (54 staff). This demonstrates a strong entrepreneurial culture among former employees.
88Nisan Betül Erdem, was Cybersecurity Researcher until 2017João Lucas Melo Brasio, was Security Researcher until 2018Pabitra Kumar Sahoo, was Security Researcher until 2018Sandeep Singh, was Security Analyst until 2020
Jack Cable, was Security Researcher until 2020
Ashish Warty, was SVP, Engineering until 2024
Ninad Mathpati, was Security Researcher until 2021
Niv Bayazi, was Bug Hunter until 2022
Seyit Ahmet Gürbüz, was Bug Bounty until 2023
Sergey Toshin, was Security Researcher & Bug Bounty Hacker until 2020
Shashank ., was Security Analyst until 2021
Abdullah Munir Ahmad, was Penetration Tester until 2023
Imran Parray, was Independent Cyber security researcher until 2017Dr. Anisetti Chaitanya Eshwar Prasad, was Penetration Tester until 2020
Jubaer Alnazi, was Bug Bounty Hunter (Handle: h33tjev) until 2020
Zayne Zhang, was Bug Bounty Hunter until 2023
Shuvon Md Shariar Shanaz, was Independent Ethical Hacker until 2025
Siddharth D., was Security Researcher until 2018
Khaled Hassan, was Penetration Tester until 2021
Dawid Moczadło, was Ethical Hacker until 2022
Yadhu krishna, was Security Researcher until 2016
Mario Candela, was Security Researcher until 2024
Nenad Zaric, was Bug Bounty Hunter until 2020
Katie Haun, was Member Board Of Directors until 2022
Hassan khan Y., was Independent Bug Hunter until 2019
Yassine RAHMANI, was Penetration Tester until 2022
Shivbihari Pandey, was Security Researcher until 2021
Daniyal Nasir, was Bug Bounty Hunter until 2016
Ben Sadeghipour, was Manager, Hacker Education until 2022
Anukul Dhuriya, was Security Researcher until 2024
Meet Sodha, was Product Security Analyst - Triager until 2025
AKASH SUMAN, was Researcher until 2025
Muhammad Hayat, was Penetration Tester until 2017
Ahmed Qaramany, was Bug Hunter until 2025
Thomas Bartleman, was Technical Recruiter until 2015
Mehdi Boutayeb Ferkatou, was Pentester Bug Bounty Hunter until 2019
Muhammad Sawood Baig, was Bug Hunter until 2024
Atmaj Khatavkar, was Web Pen Tester until 2025
Sheikh Ayan, was Bug Bounty Hunter until 2022
Jun W., was Security Researcher until 2023
Alex Bekker, was VP of Engineering until 2020
Shubham K., was Security Researcher until 2021
Jeanel Carlson, was Senior Director, Corporate Marketing until 2023
Abdul Rauf Memon, was Penetration Tester until 2024
Tiffany Jones, was SVP GTM Operations until 2026
Damián Gambacorta, was Ethical Hacker until 2025
Parth Trivedi, was Security Researcher until 2025
Yesenia Trejo, was HackerOne Ambassador - México until 2026
Christophe Bizimungu, was Bug bounty programs until 2023
Mitul Kalsariya, was Bug hunter until 2022
Mohamed Kamal, was Cyber Security & Bug Hunter until 2020
Patrick Ben Thomas, was Security Researcher until 2019
Syed Muhammad Abdul Karim, was Security Researcher until 2021
Aliyu Ibrahim Usman, was Security Researcher until 2024
Fazilulla Baig M, was Bug Hunter until 2024
David Chorbadzhiev, was Major Account Executive DACH until 2022
Rakesh Barman, was Cyber Threat Hunter until 2024
Bharat Prajapati, was 🪲 Bug Bounty - Free time until 2023
Zubayda Al-Sewaidi, was Senior Software Engineer until 2023
Prakash Thombre, was Creative Consultant until 2016
Aabid Ali Chauhan, was Penetration Tester until 2024
Beytullah E., was Bug Bounty until 2017
Ward Spangenberg, was Principal Customer Manager until 2015
Prashant Jadon, was Security Researcher until 2022
Eric Jacobs, was Director of Business Development until 2016
Soufiane El HABTI, was Independent Security Researcher until 2025
Ashraf S., was Bug Bounty Hunter until 2024
Manish Basnet, was Web pentester until 2023
Mahad Ahmed, was Bug Bounty Hunter until 2022
Ranjeet Yaduvanshi, was Bug Bounty ( HackerOne ) until 2022
Carey Straetz, was Senior Director, Global Digital Marketing until 2024
James Fleming, was Customer Account Manager until 2024
Samantha Cowan, was Head of Governance, Risk and Compliance (GRC) until 2022
Hossam Ahmed, was Bug Hunter until 2026
Nicabed Gathaba, was hacker until 2021
Henry I, was GRC Analyst until 2016
Cody Zacharias, was Security Analyst until 2023
Christopher Boedicker, was Bug Hunter until 2023
Kazel Lau, was Ethical Hacker until 2024
Muhammad Suhaib, was Capture The Flag until 2025
Asil Ozyildirim, was Independent Security Researcher until 2026
HENRIQUE STEFANUTTI, was Bug Bounty Hunter until 2025
Ashley Curren, was EMEA Marketing Lead until 2018Hiring now
Web traffic
Traffic mix: 51% direct, 32% search, 7% social, 0% paid.
Where the team actually sits
HackerOne people are concentrated in Cairo, Egypt (42), Maharashtra, India (38), Karnataka, India (30), India (28). 7 offices on record.
Search footprint
HackerOne attracts about 57,680 organic search visits a month, traffic worth roughly $340K a month if bought through ads. It gained 7,696 ranking keywords and lost 5,922 in the last period.
What employees say
- Compensation
- 3.60 / 5
- Career opportunities
- 3.50 / 5
- Senior management
- 3.20 / 5
- Work-life balance
- 3.80 / 5
Frequently asked
HackerOne has raised $159M in total, most recently a Series Unknown round in April 2022.
HackerOne was founded in 2012 by Michiel Prins, Alex Rice, Jobert Abma.
Kara Sprague (Chief Executive Officer) sits at the top of HackerOne's reporting structure, with 5 direct reports.
The most common previous employers of current HackerOne staff are Synack Red Team (21 people), Bugcrowd (19 people), Virtually Testing Foundation (16 people).
Former HackerOne employees most often move to Deloitte (8), EY (8), Bugcrowd (6).
At least 88 companies have a founder who previously worked at HackerOne, including OffSec, Privia Security, Elytron CyberSecurity.
HackerOne attracts about 57,680 organic search visits a month, worth roughly $340K a month in equivalent ad spend.
HackerOne staff are concentrated in Cairo, Egypt (42), Maharashtra, India (38), Karnataka, India (30).
Computed from 587 current and 938 former HackerOne profiles, as of September 2026. Source: Crustdata.
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