API Testing

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APIs are the backbone of modern software architectures, enabling different systems to exchange data. However, APIs also introduce significant security risks. Insecure APIs can expose sensitive data, allow unauthorized access, or even facilitate attacks that compromise entire systems.

API penetration testing helps identify these weaknesses before they can be exploited by attackers. . By simulating real-world attack scenarios, penetration testing provides a proactive approach to uncovering vulnerabilities that may not be visible through standard code reviews or automated scans.

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API Penetration Testing

Our API penetration tests involve in-depth assessments of both RESTful and SOAP APIs, examining them for vulnerabilities such as broken authentication, insufficient encryption, and improper API rate-limiting. We simulate real-world attack scenarios to evaluate the overall security of your API infrastructure.

Modern APIs are increasingly targeted by attackers due to their direct access to critical data and services. Our testing methodology aligns with the OWASP API Security Top Ten, a widely recognised standard that highlights the most critical API vulnerabilities. These include threats such as Broken Object Level Authorisation (BOLA), Excessive Data Exposure, and Security Misconfiguration. By focusing on these high-risk areas, we help organisations uncover hidden flaws that automated scanners often miss.

We also assess business logic vulnerabilities; flaws that arise from how an API is intended to function rather than from technical misconfigurations. These issues can lead to abuse of functionality, data leakage, or privilege escalation.

Our comprehensive approach ensures your APIs are not only technically secure but also resilient against misuse in real-world scenarios.

What we test

Authentication and Access Control
Testing for injection flaws such as SQLi and XML injection
Verifying that sensitive data is properly secured
Verifying rate limiting protections
Testing of Error Handling and Information Disclosure
Identifying flaws in the logic of the application
Testing how your application handles session tokens and other session-based security mechanisms

need more information? Visit our Penetration Testing home page – Call 01748 905 002

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Arrange a FREE Consultation

Evolve North delivers comprehensive API penetration testing services to help identify vulnerabilities and ensure secure integration across your systems. In a free consultation, we’ll discuss the types of API testing available and assist in defining a scope that reflects your technical environment and security objectives. Our expert guidance ensures a clear and effective testing process from the outset.