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Web Application Penetration Testing

We test web applications for exploitable weaknesses an attacker could actually use — validated by hand and explained in business terms.

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Testing focused on real, exploitable risk

A web application penetration test identifies and validates exploitable vulnerabilities in your application. We combine automated discovery with manual testing based on your app's architecture, roles, and functionality, then rank findings on genuine business impact rather than a generic scanner score.

What we test

Testing is tailored to your application's architecture and the agreed scope — not every area applies to every system. Common areas include:

  • Authentication
  • Authorization
  • Session management
  • Access control
  • Input validation
  • Injection
  • Cross-site scripting
  • CSRF
  • File handling
  • Business logic
  • API endpoints
  • Password reset
  • Account recovery
  • MFA-related flows
  • Privilege escalation
  • Multi-tenant isolation
  • Sensitive data exposure
  • Security configuration
  • Client-side security
  • Server-side behavior

Our testing approach

Automated discovery accelerates coverage, but the findings that matter — access-control flaws, business-logic issues, and multi-step attack paths — are found and confirmed through manual testing. We validate each meaningful finding before presenting it as confirmed.

What you receive

  • A clear report with an executive summary and technical detail
  • Each validated finding with severity and business impact
  • Evidence and reproduction guidance
  • Practical remediation guidance
  • One complimentary remediation retest for qualifying engagements

Example finding

An illustration of the finding format you can expect. It is fictional and not from any client engagement.

CRITICALBroken access control

A lower-privileged user can reach another account's records by changing a resource identifier.

FICTIONAL DEMONSTRATION — NOT A CLIENT REPORT

Who it's for

SaaS companies, customer portals, e-commerce businesses, software companies, and web agencies that need independent validation of an application they build or operate.

What affects pricing

Pricing depends on the size of the application, number of user roles, API surface, environments in scope, and testing depth. Every engagement is quoted after a short scoping conversation, so you know the price before testing begins.

See pricing

FAQ

Common questions

It depends on scope — typically a few days to a couple of weeks for a defined application. We confirm timing after a short scoping conversation.
Either, depending on your rules of engagement. Many clients prefer a staging environment that mirrors production; we agree this during scoping.
Authenticated testing is far more thorough. Where possible, we ask for test accounts across the relevant roles so we can assess access control properly.

Ready to scope this assessment?

Tell us what you'd like tested. Testing only begins after written authorization and an agreed scope.

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