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REST API Penetration Testing

REST API Penetration TestingComprehensive API Assessment

Protect your APIs from sophisticated attacks with thorough security testing of REST endpoints, authentication, and data handling.

API-First Security Approach

APIs are the backbone of modern applications. Our specialized testing ensures your APIs are secure against evolving threats.

OWASP API Top 10 coverage
Authentication and authorization testing
Rate limiting and abuse prevention
Real-time collaboration via Slack/Teams
Microservices security assessment
API gateway security validation

API Testing Coverage

Authentication & Authorization

Testing API access controls and identity management

  • OAuth 2.0/OpenID Connect testing
  • API key security assessment
  • JWT token manipulation
  • Session management flaws
  • Privilege escalation testing

Data Validation

Testing input validation and data handling

  • Injection attack testing
  • Mass assignment vulnerabilities
  • Data type confusion
  • XML/JSON manipulation
  • Parameter pollution

API Logic & Performance

Testing business logic and resource limits

  • Race condition testing
  • Rate limiting bypass
  • GraphQL specific attacks
  • Resource exhaustion
  • State manipulation
  • TOCTOU vulnerabilities

API Testing Methodology

Systematic approach to API security

API Discovery

Map all API endpoints and functionality

Key Activities

  • Endpoint enumeration
  • Parameter discovery
  • Schema analysis
  • Version detection
  • Documentation review

Security Testing

Comprehensive vulnerability assessment

Key Activities

  • Authentication testing
  • Authorization matrix validation
  • Input validation testing
  • Business logic assessment
  • Error handling analysis

Integration Testing

Test API interactions and chains

Key Activities

  • Service chain testing
  • Data flow analysis
  • Third-party integration security
  • Microservice communication
  • API gateway testing

Remediation Planning

Comprehensive documentation and remediation guidance

Key Activities

  • Detailed vulnerability documentation
  • Risk assessment and prioritization
  • Remediation recommendations
  • Executive and technical reporting

API Security Testing Benefits

API Discovery

Map all endpoints and undocumented APIs

Authentication Testing

Validate OAuth, JWT, and API key security

Rate Limiting

Test DoS protection and throttling mechanisms

Data Exposure

Identify excessive data exposure and leakage

API Testing Deliverables

Comprehensive Security Reports

Executive and detailed technical reports with findings and evidence

API Hardening Guidelines

Security configuration and implementation best practices

API Attack Scenarios

Documented attack chains and exploitation techniques