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API Security Testing
Assess REST, GraphQL, and gRPC APIs for authentication, authorization, and injection flaws.
Overview
APIs are critical and often poorly protected. We test for broken object-level authorization (BOLA), mass assignment, injection, and misconfigurations in API gateways and backends.
Threat Landscape
APIs expose business logic and data at scale. Automated attacks target authentication bypass, IDOR, and excessive data exposure. OWASP API Security Top 10 applies.
Our Approach
Schema-based and exploratory testing; authentication/authorization testing; rate limiting and abuse testing; documentation and deployment review.
Tools We Use
- Burp Suite
- Postman
- OWASP ZAP
- Custom fuzzers
- Nuclei
Methodology
OWASP API Security Top 10; discovery, authentication testing, authorization testing, business logic, reporting.
Deliverables
- API security report
- Request/response samples
- Remediation guide
- API security checklist
Benefits
- Secure integrations
- Prevent data leakage
- Compliance
- Safe API evolution
Industries
SaaS, FinTech, Healthcare, IoT, Platforms