Web Application Penetration Testing
Real-world attacks, safely simulated against your web apps
We test your applications the way attackers do, then help you fix what we find and retest at no extra cost.
Scope your web app test How it works
- CREST & CHECK accredited testers
- UK-based account team
- Live results platform
- No-obligation scoping call
Overview
Your web applications are on the front line
Customer portals, online services and internal web tools often handle the most sensitive information you hold, from login credentials to financial records. A single exploitable flaw can expose all of it.
Our web application penetration testing safely simulates attacks against your applications to find and confirm vulnerabilities before they are exploited. Testing follows the OWASP Web Security Testing Guide and uses genuine attacker techniques to demonstrate how a flaw could be abused. The service is delivered in partnership with Rootshell Security, a CREST and CHECK accredited provider, with CREST-certified testers guiding you through remediation.
The result is a clear, prioritised picture of risk across your application's architecture, design, configuration and implementation.
What's included
What the assessment delivers
A thorough, manual assessment that goes well beyond an automated scan.
OWASP-aligned methodology
Applications are assessed against the issues set out in the OWASP Web Security Testing Guide.
Attacker's-eye view
We start as an unauthenticated attacker with no inside knowledge, seeking access to sensitive data or internal systems.
Threat modelling
Information gathering, mapping of the hosting environment and identification of attack points shape a realistic test.
Holistic evaluation
We review architecture, design, configuration and implementation rather than isolated pages.
Severity-ranked findings
Every issue is graded from low to high risk with prioritised remediation advice.
Free remote retest
Once you have applied fixes, we retest remotely to confirm the vulnerabilities are closed.
How it works
Our five-stage process
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Scoping
We agree requirements and prerequisites, such as test accounts, authorisation and escalation routes, and exchange information securely.
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Penetration testing
Testers assess your application against OWASP guidance, gathering information, mapping the environment and modelling threats.
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Reporting
You receive a detailed report of findings ranked by severity, with prioritised remediation advice.
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Review
A consultant walks you through the report and provides post-test support and remediation guidance.
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Free retest
After your fixes are in place, we carry out a remote retest to verify them.
Benefits
Why it matters
Realistic preparedness
Testing that mirrors attacker tactics, techniques and procedures shows how your defences hold up under genuine conditions.
Protected data
Uncover flaws that could expose customer details, credentials, financial records or proprietary information.
Compliance support
Meet regular testing requirements in frameworks such as GDPR, PCI DSS and ISO 27001, and demonstrate due diligence.
Clear priorities
Severity-ranked findings and step-by-step guidance help your developers fix the right things first.
FAQ
Frequently asked questions
What does web application penetration testing involve?
It identifies weaknesses in your web applications that could leave your organisation open to attack. Testers use the same methods as threat actors to confirm each flaw and demonstrate how it could lead to a breach.
Is a penetration test the same as a vulnerability scan?
No. A vulnerability scan is an automated overview of known software issues. A penetration test is an in-depth manual assessment by skilled consultants who actively attempt real-world exploitation.
How long does a test take?
Most web application tests take between three and ten working days from scoping to final report. The exact timescale depends on the size and complexity of the application.
How often should we test our web applications?
At least once a year, and after any major update to the application. If you release new features frequently, more regular testing is advisable.
Is retesting included?
Yes. Once you have addressed the findings, we provide a free remote retest to confirm the fixes are effective.
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