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API pen test

An API penetration test is a targeted assessment of the security of an organisation's application programming interfaces (APIs). APIs serve as the interface between different software applications, allowing them to communicate and exchange data. API penetration testing focuses on identifying vulnerabilities and weaknesses in the design, implementation, and configuration of these interfaces.

During an API penetration test, our consultants assess the security of the APIs by attempting to exploit potential vulnerabilities. This can involve various techniques, including:

  • Authentication and Authorisation: assessing how APIs handle authentication and authorisation mechanisms.
  • Input Validation: checking how APIs handle input data, including parameters, headers, and payloads.
  • Sensitive Data Exposure: evaluating how APIs handle sensitive data, such as personally identifiable information (PII) or authentication tokens.
  • Security Misconfiguration: identifying misconfigurations in API endpoints, servers, or infrastructure components that could lead to security vulnerabilities.
  • Session Management: assessing how APIs manage sessions, cookies, and tokens to maintain user authentication and state.
The primary goal of an API penetration test is to identify and address security vulnerabilities in APIs before they can be exploited by attackers to compromise the confidentiality, integrity, or availability of the data and services exposed through these interfaces. By proactively identifying and remediating these vulnerabilities, your organisation can improve the security of their APIs and mitigate potential risks to your applications and systems.

At Tier Zero Security, we use Open Source Security Testing Methodology Manual (OSSTMM) and Open Web Application Security Project (OWASP) Testing Guide methodologies.

For a full list of Tier Zero Security's penetration testing services, please visit our Tier Zero Security penetration testing services page.

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