API Security Testing

Comprehensive Security Assessment for REST, SOAP and GraphQL APIs

Security gaps like weak authentication, injection vulnerabilities and misconfigurations can lead to data breaches, unauthorized access, and service disruptions.

CF’s API Security Testing service helps identify and mitigate these risks, ensuring your APIs remain protected, resilient and aligned with OWASP API Security Top 10 best practices.

Key Security Challenges We Address

Vulnerabilities in token management, OAuth and API key implementations can lead to unauthorized access.

Insufficient validation exposes APIs to SQL injection, XSS and other input-based attacks.

Lack of proper controls increases the risk of API misuse, brute force attempts and DoS attacks.

Flaws in API workflows can be manipulated by attackers to bypass security measures.

Our Approach

1. API Discovery and Asset Mapping

We identify all API endpoints, assess their request or response structures, and map potential attack surfaces.


2. Authentication and Authorization Validation

We evaluate authentication mechanisms like OAuth, JWT, API keys and test access control policies to prevent unauthorized access.

 

3. Input Validation and Injection Testing

We test how APIs handle user inputs to detect vulnerabilities like SQL Injection, Cross-site Scripting (XSS), and XML External Entities (XXE).


4. Data Exposure and Security Misconfiguration Analysis

We analyze API responses for sensitive data exposure, error handling flaws, and misconfigured security controls.

 

5. Business Logic and Workflow Testing

We simulate real-world attack scenarios to uncover logical flaws and bypass techniques that could be exploited.

Frequently Asked Questions (FAQs)

It helps prevent security breaches, unauthorized access and exploitation of API vulnerabilities.
Regular testing is recommended at least quarterly or after major API changes to detect new risks.
Yes, we evaluate internal, external and third-party APIs for a complete security review.
No, we follow a controlled approach to ensure no impact on production environments.
A detailed report outlining security risks, impact analysis and remediation guidelines.

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