Comprehensive Bug Bounty Roadmap

Your detailed guide to becoming a professional bug bounty hunter
1. Foundational Knowledge (2-3 months)
Beginner
1.1 Web Technologies
  • HTML5: Document structure, forms, semantic elements
  • CSS3: Selectors, box model, flexbox, grid
  • JavaScript: DOM manipulation, events, AJAX, promises
  • Modern frameworks overview (React, Angular, Vue)
  • Backend basics (NodeJS, Python, Ruby, PHP)
  • REST API concepts and testing
1.2 Networking Fundamentals
  • TCP/IP stack and protocols
  • HTTP/HTTPS request/response cycle
  • DNS resolution and record types
  • Cookies, sessions, and authentication
  • Same-origin policy and CORS
1.3 Basic Tools
  • Browser DevTools (Network, Console, Sources panels)
  • Burp Suite Community Edition (Proxy, Repeater, Intruder)
  • Command line basics and Linux fundamentals
  • Git basics for version control
2. Security Fundamentals (3-4 months)
Intermediate
2.1 Core Web Vulnerabilities
  • Cross-Site Scripting (XSS)
    • Reflected, Stored, and DOM-based XSS
    • Content Security Policy (CSP)
    • XSS prevention techniques
  • SQL Injection
    • Union-based, Error-based, Blind
    • Database fingerprinting
    • WAF bypass techniques
  • Server-Side Request Forgery (SSRF)
    • Cloud metadata endpoints
    • Internal service enumeration
    • Filter bypass techniques
  • Insecure Direct Object References (IDOR)
    • Access control vulnerabilities
    • Parameter tampering
    • Mitigation strategies
  • Broken Authentication
    • Session fixation
    • Weak password policies
    • Multi-factor authentication (MFA)
  • Security Misconfiguration
    • Default credentials
    • Improperly configured headers
    • Hardening techniques
  • Cross-Site Request Forgery (CSRF)
    • CSRF token implementation
    • SameSite cookie attributes
    • Double submit cookie pattern
  • Broken Access Control
    • Privilege escalation
    • Horizontal and vertical privilege abuse
    • Access control design best practices
  • Unvalidated Redirects and Forwards
    • Open redirect vulnerabilities
    • Phishing and redirection risks
    • Validation mechanisms
  • Deserialization Vulnerabilities
    • Insecure deserialization risks
    • Object injection attacks
    • Secure deserialization techniques
  • Sensitive Data Exposure
    • Unencrypted data in transit
    • Weak cryptographic storage
    • Secure communication protocols
  • Insufficient Logging and Monitoring
    • Lack of audit logs
    • Undetected malicious activity
    • Monitoring best practices
  • XML External Entity (XXE) Injection
    • XXE in XML parsers
    • Exploiting external entities
    • Secure XML processing
  • HTTP Host Header Injection
    • Cache poisoning attacks
    • Open redirect abuse
    • Header validation mechanisms
  • File Upload Vulnerabilities
    • Remote code execution via file uploads
    • Content type validation
    • Upload directory restrictions
2.2 Authentication & Authorization
  • OAuth 2.0 and OpenID Connect
  • JWT structure and common vulnerabilities
  • Session management issues
  • 2FA/MFA bypass techniques
2.3 Advanced Tools
  • Burp Suite Professional features
  • Custom wordlist creation
  • Automated scanning tools
  • Mobile testing tools (FRIDA, Objection)
2.4 Practice & Labs
  • PortSwigger Web Security Academy
  • OWASP Juice Shop
  • Hackviser
  • HackTheBox
  • TryHackMe
  • VulnHub
3. Advanced Techniques (4-6 months)
Advanced
3.1 Advanced Vulnerabilities
  • Race Conditions
    • Time-of-check to time-of-use
    • API race conditions
    • Payment system vulnerabilities
  • Deserialization Vulnerabilities
    • Java deserialization
    • PHP object injection
    • NodeJS prototype pollution
  • GraphQL Security
    • Introspection queries
    • Authorization flaws
    • DoS vectors
3.2 Cloud Security
  • AWS security misconfigurations
  • Azure service vulnerabilities
  • GCP security issues
  • Container security (Docker, Kubernetes)
3.3 Mobile Security
  • Android app testing methodology
  • iOS security assessment
  • API security testing
  • Mobile app bypass techniques
4. Professional Practice (Ongoing)
Expert
4.1 Bug Bounty Platforms
  • HackerOne
    • Program selection strategies
    • Report writing best practices
    • Reputation building
  • Bugcrowd
    • VRT understanding
    • Priority assessment
    • Program collaboration
4.2 Methodology Development
  • Creating custom testing workflows
  • Developing automation scripts
  • Building recon infrastructure
  • Documentation and note-taking systems
4.3 Community Engagement
  • Contributing to open source tools
  • Writing technical blog posts
  • Speaking at security conferences
  • Mentoring other researchers
5. Specialization Paths
Expert
5.1 Web3 Security
  • Smart contract auditing
  • Blockchain vulnerabilities
  • DeFi security
  • Solidity security patterns
5.2 IoT Security
  • Hardware hacking basics
  • Firmware analysis
  • RF communication security
  • IoT protocols (MQTT, CoAP)
5.3 API Security
  • REST API security testing
  • GraphQL advanced exploitation
  • gRPC security
  • API versioning issues