Web App & API Penetration Testing

Your web applications are your front door - and attackers know it. We test them the way a real adversary would: probing authentication flows, abusing business logic, and chaining low-severity issues into high-impact attack paths that scanners never flag.

Get a Web App Assessment

More than an OWASP checklist

Every web application has its own quirks - custom workflows, role hierarchies, payment flows, API integrations. A generic scan won't catch the flaws that live in those unique corners. Our testers spend time understanding how your application actually works before they start breaking it.

We test REST APIs, GraphQL endpoints, SOAP services and single-page applications with deep hands-on expertise. We look at session management, access control between user roles, file upload handling, server-side request forgery, and the dozens of application-specific issues that only surface through expert testing.

You get a report with real proof-of-concept exploits, not theoretical risk ratings. Every finding includes step-by-step reproduction instructions and specific remediation guidance your developers can act on the same day.

What you get from a Third Eye web app pentest

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Custom scripts for your stack

We write tooling specific to your application during the engagement - custom fuzzers, authentication bypass scripts, and API enumeration tools tailored to your tech stack.

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Role-based access testing

We test every user role against every endpoint. Can a regular user access admin functions? Can one tenant see another's data? These are the flaws that cause real breaches.

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Same-day critical alerts

If we find something that could be exploited right now - like an authentication bypass or data exposure - you hear about it within hours, not at the end of the engagement.

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Developer-friendly reports

Each finding includes the HTTP requests we used, screenshots, impact analysis and code-level fix suggestions. Your dev team can start remediating without a follow-up call.

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Free retest included

Once your team has applied fixes, send them back to us. We verify every remediation and provide a clean retest letter you can share with auditors or clients.

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Compliance-ready output

Need this for PCI DSS 6.6, SOC 2 or ISO 27001? We format the report to map directly to the controls your auditor checks. No rework needed.

Let's find what your scanner missed

Tell us about your application and we'll scope a test that covers what actually matters.

Request an Assessment