API Security

Kubotor API Penetration Testing

Master API security end to end — REST, GraphQL, gRPC and WebSockets — from protocols to advanced exploitation.

Expert 80 Hours20 Modules4 LevelsCertificate
Overview

Every API protocol and the full OWASP API Top 10, from fundamentals to fuzzing, custom tooling and professional reporting. You test REST, SOAP, GraphQL, gRPC and WebSockets in a guided Docker lab using Burp Suite, ZAP, Postman, mitmproxy and grpcurl.

80Hours
20Modules
4Levels
CertOn Compl.
Curriculum
20 Modules · 4 Levels · 80 Hours
Foundation

What API testing is and why APIs are a distinct surface.

5 Topics1 Lab

The protocols and formats APIs run on.

6 Topics1 Lab

REST, SOAP, GraphQL, gRPC, and WebSockets compared.

6 Topics1 Lab

Building the API testing environment and toolkit.

5 Topics1 Lab
Beginner

Finding APIs, versions, and undocumented endpoints.

5 Topics1 Lab

Enumerating the full API surface.

5 Topics1 Lab

Testing API keys, tokens, and session handling.

6 Topics1 Lab

BOLA/IDOR and broken object- and function-level auth.

6 Topics1 Lab

Core injection and misconfiguration flaws in APIs.

5 Topics1 Lab

The Top 10 and abusing API business logic.

6 Topics1 Lab
Advanced

Attacking JWTs, OAuth flows, and federated identity.

6 Topics1 Lab

Breaking tenant isolation and complex authorisation.

5 Topics1 Lab

Exploiting logic flaws and race conditions in APIs.

5 Topics1 Lab

Server-side attacks reaching backend systems.

5 Topics1 Lab

Testing GraphQL, gRPC, and WebSocket APIs.

6 Topics1 Lab

Finding leaked data in API responses.

5 Topics1 Lab
Expert

Fuzzing APIs and building custom tooling.

5 Topics1 Lab

White-box review and secure-design analysis.

5 Topics1 Lab

Chaining findings and reporting them.

5 Topics1 Lab

Retesting fixes and closing the engagement.

4 Topics1 Lab
Who It's For

Web & API Pentesters

Testers who want to specialise in API-specific attack surfaces.

API & Backend Developers

Engineers building REST, GraphQL or gRPC services.

Bug Bounty Hunters

Researchers targeting BOLA, broken auth and business-logic flaws.

Security Consultants

Professionals preparing to deliver dedicated API VAPT engagements.

Outcomes & Takeaways
Understand API communication, data formats and architectures
Discover API attack surfaces including hidden endpoints
Test authentication, session and complex authorisation
Identify injection, SSRF, BOLA and business-flow flaws
Assess JWT, OAuth and federated identity
Penetration test GraphQL, gRPC and WebSockets
Automate API testing and build custom tooling
Chain vulnerabilities, report and perform retesting
Course Benefits

Foundation to expert

From HTTP and API architectures to advanced exploitation and reporting.

Every protocol

REST, SOAP, GraphQL, gRPC and WebSockets — not just REST.

OWASP API Top 10

Full coverage of BOLA, broken auth, SSRF and business-flow abuse.

Guided labs & tooling

Burp Suite, ZAP, Postman, mitmproxy and grpcurl in a Docker lab.

Interested in this course? Our team will reach out within 1 business day.

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