Bug Bounty
HackerOne, Bugcrowd, Immunefi. Find the hole, report it, get paid — legally.
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01
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YesWeHack
European bug bounty and VDP platform with a large public program list.
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HackerOne
The biggest bug bounty platform. Public and private programs from thousands of companies.
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Bugcrowd
Crowdsourced security platform with public bounties and invite-only programs.
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Intigriti
European bug bounty platform. Strong on EU companies and fast triage.
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Immunefi
Web3 and smart-contract bounties. Where the biggest single payouts happen.
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HackenProof
Bug bounty platform focused on crypto and Web3 projects.
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Synack Red Team
Vetted, invite-only researcher network. Apply and pass the assessment to get paid work.
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Open Bug Bounty
Coordinated disclosure for web vulnerabilities. Rewards are up to each site owner.
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Code4rena
Competitive smart-contract audits. Prize pools split between finders.
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Sherlock
Audit contests and bug bounties for DeFi protocols.
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Cantina
Security competitions and bounties for Web3 code.
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Google Bug Hunters
Google's vulnerability reward programs: Google, Android, Chrome, Cloud.
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Microsoft Security Response Center
Microsoft bounties for Windows, Azure, Edge, Copilot and more.
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Apple Security Bounty
Apple's program for iOS, macOS and iCloud vulnerabilities.
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Meta Bug Bounty
Bounties for Facebook, Instagram, WhatsApp and Quest.
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GitHub Security Bug Bounty
GitHub's own bug bounty, run on HackerOne.
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Zero Day Initiative
Trend Micro buys vulnerability research and handles disclosure with the vendor.
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Hacker101
HackerOne's free web security classes and CTF. Solving CTFs earns private invites.
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PortSwigger Web Security Academy
Free hands-on labs for every major web vulnerability class.
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Hack The Box
Hacking labs, Academy courses and certifications.
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TryHackMe
Beginner-friendly guided hacking rooms in your browser.
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TCM Security Academy
Affordable practical courses in pentesting and bug bounty.
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INE Security
Security training and the eJPT / eWPT certifications.
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PentesterLab
Exercises that teach you to find bugs by reading real code.
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Bugcrowd University
Free bug hunting training from Bugcrowd.
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Burp Suite
The standard web proxy for testing apps. Free Community edition.
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Caido
Lightweight, modern alternative to Burp Suite.
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ProjectDiscovery
Open-source recon tools: nuclei, subfinder, httpx, katana.
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OWASP ZAP
Free, open-source web app scanner and proxy.
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r/bugbounty
Reddit community for bug hunters: writeups, questions, payouts.
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Pentester Land Writeups
A huge index of public bug bounty writeups. Learn what actually pays.
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