Test your web application for security flaws

Our expert website penetration testers will analyse all aspects of your web app to help you stamp out security weaknesses. This helps identify and prioritise organisational risks and works towards a secure software development lifecycle.

Uncover vulnerabilities and poor security controls

Uncover vulnerabilities and poor security controls

Exploit web application security flaws

Exploit web application
security flaws

Expose insecure app functionality

Expose insecure functionality in your app

Catch security design issues before it’s too late

Catch security design issues before it’s too late


Bulletproof your website security

We’ll tailor each test to the specifics of your web app, using industry-standard tools and methodologies to find security weaknesses. Accurate scoping determines whether you require white, grey or black box testing, and whether the test should be performed from an authenticated or unauthenticated perspective.

So, if you need to test your application security to meet compliance with a security standard or just want to protect your brand, our web application penetration testing is an ideal way to increase customer trust.



Well-rounded security

Why not add regular web application penetration testing to a robust security profile? Periodic tests can be combined with managed security monitoring and advanced threat management for a total protection package. And don’t forget to look after the systems behind the web app with our infrastructure penetration tests.

  • Bulletproof are CREST approved

    CREST approved

  • Bulletproof are ISO 27001 and 9001 certified

    ISO 27001 and 9001 certified

  • Bulletproof are Tigerscheme qualified testers

    Tigerscheme qualified testers

  • Bulletproof are a PCI DSS v3.2 Level 1 service provider

    PCI DSS v3.2 Level 1
    service provider

  • Bulletproof have 24/7 on-site Security Operations Centre

    24/7 on-site Security
    Operations Centre

Frequently asked questions

What is web application penetration testing?

A web application penetration test is where a qualified professional takes the role of a hacker and attempts to uncover and exploit vulnerabilities or misconfigurations in an app in order to provide a comprehensive security overview with appropriate remediation advice. Ultimately, web application penetration testing helps keep a site secure.

What are the benefits of web application penetration testing?

Web application penetration services can uncover vulnerabilities and misconfigurations that, if exploited by a real hacker, could lead to financial and reputational damage. With new exploits and vulnerabilities being uncovered all the time, even if your web app has been up and running for a while, you could benefit from a penetration test.

Also, if your application involves the collection of personal data of EU citizens, GDPR mandates that you ensure you are maintaining high standards of security. Regular web application penetration testing will allow you to demonstrate this.

What is the average web application pen testing cost?

The cost of a web application penetration test can vary considerably depending on the set scope and given timeframe. For a rough guide, we have compiled the below:

Web application pen testing costs
Test type Description Guide price
Small pen test Test of small app and associated cloud infrastructure. Black box, unauthenticated test designed to mimic a real-world attack with no details of the environment disclosed up front. £1,000 - £3,000
Medium pen test Application of a medium web-based management portal and associated cloud infrastructure. Can be unauthenticated or authenticated (usually grey box). £3,000 - £5,000
Large pen test Larger test which can include social engineering offering an extensive security review with limited information disclosed up front. £5,000 - £20,000

What is the difference between an authenticated and unauthenticated penetration test?

Unauthenticated web application penetration testing tests the environment from a logged-out perspective. This means all probing, scanning and hacking is done without access to the environment via user credentials. Conversely, authenticated penetration tests are done from a logged-in perspective.

More can be achieved from an authenticated perspective as more damage can be caused once the initial log-in screen has been bypassed. We tend to recommend testing from both perspectives to get a clearer view of your security posture.

How long does a web application penetration test take?

The time it takes to complete an application penetration test will vary considerably depending on the agreed scope and time frames.

Will an application penetration test cause any disruptions?

The last thing a hacker would want to do would be to alert you to their attention. As we are employing similar tactics, there should be no disruption caused to any service when undergoing an application penetration test. Usually, attacks such as DDoS attacks are excluded from pen tests.

Get a quote today

If you’re interested in our services, get a free, no obligation quote today by filling out the form below.