API Testing

We recognise the importance of online APIs and the negative impact that security breaches may have on a company. We collaborate closely with our clients to guarantee that their APIs are safe from a variety of attacks.

What is API Testing?

An Application Programming Interface (API) Assessment reviews your public facing APIs to identify vulnerabilities which can be used by an attacker over the internet.

API interfaces make it simple to access content and functions. This ease of access also provides a convenient interface for malicious attackers.

Common Web Application security flaws can still exist within an API interface, and these interfaces are frequently overlooked

Why conduct a API Penetration Test?

An API pen test can assist you in identifying vulnerabilities in your services that cyber criminals can exploit to do harm. An API Penetration Test and the associated report will allow your business to:

A hacker photo with a question mark in place of his face to make them anonymous.

The API Testing Process

Our API Testing Process is certified annually by CREST and contains five key steps to identify vulnerabilities and secure your business.

Scope and checklist icon.
01

Scope

The initial stage involves collaborating with you to comprehend specific requirements, address concerns, and identify APIs within the scope of the assessment.

A laptop with a cog, tick and cross on the screen.
02

Test

In stage two, skilled experts conduct on-site or remote network attack simulations, employing the CREST methodology for thorough testing and analysis.

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03

Report

We generate detailed pen test reports, assessing vulnerabilities, communicating risks, and offering remediation advice with evidence.

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04

Consult

A post-engagement call ensures a full grasp of penetration test findings, providing ongoing support for effective remediation and risk reduction.

A tick icon
05

Retest

Confirm fixes, proactively prevent vulnerabilities post-remediation for enhanced security and a robust conclusion.

Choosing the right provider is hard...

API security is a specific skill and requires a fully qualified consultant who understands the software architecture in order to provide a thorough assessment.

Ensuring your penetration testing partner is highly qualified is a key step. We are a CREST Certified Penetration Test Provider and undergo annual audits to ensure we continue to meet the gold standard of API penetration testing. In addition, we ensure all of our staff are highly qualified with industry recognised certifications which we list on our certifications page.

What is API Testing?

An Application Programming Interface (API) Assessment reviews your public facing APIs to identify vulnerabilities which can be used by an attacker over the internet.

API interfaces make it simple to access content and functions. This ease of access also provides a convenient interface for malicious attackers.

Common Web Application security flaws can still exist within an API interface, and these interfaces are frequently overlooked

Why conduct a API Penetration Test?

An API pen test can assist you in identifying vulnerabilities in your services that cyber criminals can exploit to do harm. An API Penetration Test and the associated report will allow your business to:

  • Receive assurance around the security posture of any API.
  • Make ongoing improvements to an API’s security via specialist support, advice and consultancy.
  • Adhere to regulatory bodies that require API Testing to be performed.
  • Gain access to a dedicated team of specialist CREST Registered penetration testers who use the latest tools and techniques to accurately assess and identify emerging threats.
A hacker photo with a question mark in place of his face to make them anonymous.

The API Testing Process

Our API Testing Process is certified annually by CREST and contains five key steps to identify vulnerabilities and secure your business.

Choosing the right provider is hard...

API security is a specific skill and requires a fully qualified consultant who understands the software architecture in order to provide a thorough assessment.

Ensuring your penetration testing partner is highly qualified is a key step. We are a CREST Certified Penetration Test Provider and undergo annual audits to ensure we continue to meet the gold standard of API penetration testing. In addition, we ensure all of our staff are highly qualified with industry recognised certifications which we list on our certifications page.

Why choose us?

Choose Precursor Security for penetration testing excellence—where industry-leading expertise, CREST accreditation, and a client-focused approach converge to fortify your digital defences with precision and reliability.

Our CREST Certified API Testing Methodology

Our methodology is built on industry standards, for example those defined by OWASP. Our experienced hackers will assess your website for hundreds of vulnerabilities including:

  • Injection Attacks such as SQL Injection (SQLi), Cross-Site-Scripting (XSS), XML External Entity Injection (XXE) and Remote Code Execution (RCE)
  • Misconfigurations in servers and technology such as oAuth, MFA, CAPTCHA, default credentials, insecure SSL/TLS and unintentional sensitive data disclosure
  • Broken Authentication that can allow account takeover, sensitive data exposure and privilege escalation
  • Software Vulnerabilities introduced by insecure and outdated libraries
  • Session Management vulnerabilities that can allow attackers to perform account takeover
CREST icon

Our CREST Certified API Testing Methodology

Our methodology is built on industry standards, for example those defined by OWASP. Our experienced hackers will assess your website for hundreds of vulnerabilities including:

CREST icon

See how we can help your business with API Testing today...

Get in touch with us for a free consultation or quote.

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