More Fortune 500 and Forbes Global 1,000 companies trust HackerOne to test and secure the applications they depend on to run their business.

HackerOne

Hilarie Koplow-McAdams

Chairman at Pancreatic Cancer Action Network

John Hering

Chad Kinzelberg

Bill Gurley

Phil Venables

Jon Sakoda

Katie Haun

Founder & Chief Executive Officer - Haun Ventures

Mrten Mickos

Bugcrowd

Immunefi

LockBit

Riot Games

Zebra Technologies

European Commission

Grammarly

Online grammar, spell checking and plagiarism detection platform

Flexport

US internet-based freight forwarding company

FanDuel

Microsoft

American multinational technology corporation

General Motors

Automotive manufacturing corporation based in Detroit, Michigan, USA

Lufthansa

Flag-carrier and largest airline of Germany

Hyatt

American multinational hospitality company

PayPal

American worldwide online payments system

Nintendo

Japanese multinational video game and consumer electronics company

Ministry of Defence

Organization based in London, Greater London, United Kingdom

IKEA

Salesforce

Salesforce, Inc. is an American cloud-based software company.

Goldman Sachs

Qualcomm

Uber Technologies

Transport company based in San Francisco, California

Adobe

American multinational computer software company

Shopify

Department Of Defense

U.S. Department of Defense civilian executive staff

Yelp

Slack Technologies

Starling Bank

Priceline

Zoom Video Communications

Company responsible for the Zoom software

LendingClub

GitLab

Company that operates Gitlab.com and contributes to Gitlab open source software

Bishop Fox

Upserve

Software company based in Providence, Rhode Island

Mail.Ru Group

Provider of popular communication and entertainment services

Nextcloud

Twitter

Google

American multinational technology company, a subsidiary of Alphabet inc.

Starbucks

Oxford Construction of Pennsylvania

Executive department of the United States federal government

Meta Platforms

Yahoo

Dropbox

Cloud storage and file synchronization service

Intel

Marine Corps

Maritime land force service branch of the United States Armed Forces

United States Air Force

Air service branch of the United States Armed Forces

Swisscom

Grab

Southeast Asian technology company headquartered in Singapore

Panasonic Avionics

Spotify

HackerOne is a company specializing in cybersecurity, specifically attack resistance management, which blends the security expertise of ethical hackers with asset discovery, continuous assessment, and process enhancement to find and close gaps in the digital attack surface. It was one of the first companies to embrace and utilize crowd-sourced security and cybersecurity researchers as linchpins of its business model; pioneering bug bounty and coordinated vulnerability disclosure. As of December 2022, HackerOne's network had paid over $230 million in bounties. HackerOne's customers include The U.S. Department of Defense, General Motors, GitHub, Goldman Sachs, Google, Hyatt, Lufthansa, Microsoft, MINDEF Singapore, Nintendo, PayPal, Slack, Twitter, and Yahoo.

Security Software Companies

Enterprise Software Companies

Software Companies

Alex Rice

Michiel Prins

Merijn Terheggen

Benchmark

New Enterprise Associates (NEA)

Marc Benioff

Drew Houston

Jeremy Stoppelman

David Sacks

Brandon Beck

Nicolas Berggruen

NaHCO3

Dragoneer Investment Group

EQT Ventures

Valor Equity Partners

GP Bullhound

San Francisco

Consolidated city and county in California, United States

United States of America

Country primarily located in North America

San Francisco Bay Area

Metropolitan area in California, United States

California

Groningen

Capital city of the province of Groningen, the Netherlands

Netherlands

Country in Northwestern Europe with territories in the Caribbean

Northeasternmost province of the Netherlands

London

Capital and largest city of England and the United Kingdom

United Kingdom

London commuter belt

Greater London

Custom Computer Programming Services

Computer Systems Design and Related Services

Professional, Scientific, and Technical Services

Software Publishers

Publishing Industries

Information

Publishing Industries (except Internet)

Sony

Japanese multinational conglomerate corporation

OnePlus

Chinese consumer electronics manufacturer, a subsidiary of Oppo

Tor Project

Free and open-source software project for enabling anonymous communication

Darktrace

Nordic Semiconductor

Norwegian multinational semiconductors manufacturer

priceline.com

Yahoo!

American internet company (2017–present)

TikTok

Software company based in Los Angeles, California

ConnectWise

Software platform for as-a-service businesses

Block.one

United States Cyber Command

Refereum

Computer Programming Services

Computer Programming, Data Processing, And Other Computer Related

Business Services

Prepackaged Software

PullRequest

Breaker 101

Onna

TerraTrue

Privacy platform for software development

Mission North

Communications agency for companies shaping the future

Tray.io

Software company based in San Francisco, California

HackerOne Office Locations

HackerOne Headquarters Location

💸 Investors

📚 Popular Blog Posts