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Web Application Penetration Testing
At Pentest People, our certified security specialists deliver Web Application Penetration Testing to uncover and resolve vulnerabilities before they become a risk. We provide thorough, real-world security assessments, ensuring your web applications are protected against cyber threats.
CHECK & CREST-Accredited: We have a range of CHECK & CREST accreditations for our excellence and expertise in penetration testing.
Innovative Vulnerability Platform: Access detailed reports and real-time data to understand and address security weaknesses promptly.
PTaaS Approach: Penetration Testing as a Service Model means you stay secure all year round with manual tests and automated scans
Why Use Pentest People For Your
Penetration Testing Services?
CREST Certified Penetration Testing Services
Our CREST certified professionals bring extensive experience across various sectors, ensuring accurate penetration testing and robust cyber defence.
Innovative Vulnerability Platform
Our platform offers real-time visibility, automated scans, and continuous monitoring for seamless and efficient vulnerability management.
Web Application Specialist Team
Our Web Application Penetration Testing team provide security expertise to protect your business from both insider threats and external cyber attacks.
Live Reporting & Remediation Checks
Live reporting lets you fix issues in real-time, saving time and reducing risk. Remediation checks ensure vulnerabilities are removed for peace of mind.
What is a Web Application Penetration Test?
Web Application Penetration Testing is a proactive security assessment designed to identify and exploit vulnerabilities within web applications, APIs, and associated backend systems. By simulating real-world attack scenarios, we uncover security flaws that could lead to data breaches, unauthorised access, and business disruptions.
This testing helps assess authentication mechanisms, session management, input validation, and overall security controls, ensuring your web applications can withstand cyber threats.
Professional Web App Penetration Testing From a Reliable Team
At Pentest People, our team of highly skilled security specialists brings extensive expertise in Web Application Penetration Testing, ensuring your network is resilient against evolving cyber threats. We conduct thorough security assessments to identify vulnerabilities in your IT infrastructure, helping you mitigate risks before they can be exploited.
- Certified Experts – Our team includes CREST & CHECK-certified penetration testers and ethical hackers with deep technical knowledge of infrastructure security.
- Industry Experience – With a proven track record of securing corporate networks across multiple sectors, we understand the unique challenges of protecting IT environments.
- Up-to-Date Security Insights – We continuously monitor emerging threats, attack techniques, and vulnerabilities to provide cutting-edge security assessments.
Discover Critical Vulnerabilities in Your Web Applications
A Web Application breach can result in financial loss, reputational damage, and regulatory non-compliance. At Pentest People, our CREST-certified Web Application Penetration Testing provides a controlled, real-world simulation of cyber threats to identify and remediate security gaps before attackers can exploit them.
How Our Testing Helps Secure Your Web Application:
- Identify vulnerabilities and security misconfigurations before they can be exploited.
- Simulate real-world attack techniques to assess the risk impact on your web application.
- Expose logic flaws and insecure functionality that could compromise user data.
- Support compliance efforts for PCI DSS, GDPR, and ISO 27001.
You Can Trust in Pentest People to Deliver Industry Leading Testing
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Web App Security Specialists
Web Apps Are Highly Exploitable,
Secure Your Web Apps Today!
Pentest People's Web application testing approach simulates multiple attack scenarios. We use a combination of authenticated and unauthenticated tests to identify and document every potential security risk.
Authenticated
Authenticated web app testing simulates real-world scenarios where attackers gain access to user or admin accounts. By testing with these privileges, we can identify hidden vulnerabilities in sensitive areas, ensuring deeper security coverage for your most critical functions and data.
Unauthenticated
Unauthenticated web app testing examines your application from the perspective of an external attacker with no login credentials. This helps identify vulnerabilities like exposed entry points, misconfigurations, and weak security controls that could be exploited without any user access.
APIs
API testing evaluates the security of your application's communication endpoints, ensuring data is transferred safely between systems. We test for vulnerabilities like improper authentication, data exposure, and misconfigurations that attackers could exploit.
See What Our Clients Have to Say About our Professional Services
"Pentest People has been a trusted partner in our Information Security audits, helping us achieve ISO27001:2013 and Cyber Essentials certifications. Their expertise, professionalism, and
customer-focused solutions have greatly improved our ICT infrastructure.
I highly recommend Pentest People to any potential client."
“Pentest People were efficient, knowledgeable and very supportive of our organisation making the jump from Cyber Essentials to accreditation to the ‘Plus’ upgrade. They were great to communicate with, delivered as promised and we will certainly use again when re-certification comes round."
“The SecureGateway allowed Pentest People to perform a quality penetration test while the tester worked remotely. The results and data collected by the consultant were at the level we would expect from a standard test, showing no real difference other than allowing us to proceed as normal”
“Pentest People stand out in the field of penetration testing due to the skillset of people they have working there. We undertook a complex bespoke pentest with them which required a lot of pre-work in order to make sure it was scoped correctly and they took the time to come onsite to make sure all was correct prior to commencing. From my experience with them, they are very intelligent people with a deep understanding of the security landscape and we will continue to use them for future testing requirements”.
“Pentest People have provided us with a very streamlined testing service, that can be easily reviewed using their SecurePortal. I’m pleased with the quality of the testing report and it has enabled us to feel more confident in our network security”.
“We used Pentest People to assist us with our security testing. They truly understand this area extremely well and gave us great reassurance on areas that we needed to improve.
Pentest People are truly experts in the security field and we would highly recommend them. They have great depth of knowledge and breadth of experience”
"Pentest People perform Web Application and Infrastructure Penetration Testing for Pharmacy2U. They are always professional to engage with, provide an excellent level of service and the addition of the SecurePortal makes receiving and interrogating the results of the service very easy indeed.We look forward to working with them in the future and trust the work they deliver."
Six-Step Method
Our Industry-Proven
Penetration Testing Methodology
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Scoping & Intelligence Gathering
Our experts will listen to you and your needs to develop a tailored testing strategy. From here our consultants will use a wide variety of penetration testing tools and resources to gather information on your organisation.
Reconnaissance & Threat Modelling
After gathering enough information or consultants will develop an approach to testing your organisation, looking at 3 main factors; where are you most vulnerable, what are the best attack techniques for the job at hand and how can they deliver the test while safeguarding your business from any issues.
Vulnerability Analysis
In this phase, the defined targets are thoroughly scanned in order to uncover any existing vulnerabilities. This involves listening for open ports, identifying services that are running, and developing an attack plan based on the information collected from these scans.
Exploiting Your Systems
This stage is where our consultants see how far into your systems they can go using industry leading techniques, custom built tools and first-hand experience.
Determining Severity
After the consultant has a session running on a compromised machine they will determine the severity by seeing which assets and networks they can gain access to and how much information they can gather. This allows us to rank your vulnerabilities from low-critical in the SecurePortal
Reporting & Remediation
Now the test is complete our consultants will fill out a detailed report of their findings, broken down by category and type, adding any remediation advice to the exploits and vulnerabilities they discovered. This data will be accessible via SecurePortal and follow up calls will be made to walkthrough the test and the steps required to remove the risks found.
Common Web App Vulnerabilities & OWASP Top Ten
Pentest People’s Web Application Penetration Testing is designed to identify and mitigate the most critical security flaws. Our assessments align with the OWASP Top Ten, the industry-standard list of the most prevalent web application security risks.
- 1. Broken Access Controls – Weak or misconfigured permissions that allow unauthorised access to sensitive data.
- 2. Cryptographic Failures – Insecure data storage or transmission leading to data exposure.
- 3. Injection Attacks (SQL, XSS, etc.) – Exploiting user input fields to manipulate databases or execute malicious scripts.
- 4. Insecure Design – Poor security architecture leading to exploitable flaws in application logic.
- 5. Security Misconfigurations – Default settings, exposed directories, or unpatched systems that create security gaps.
- 6. Vulnerable & Outdated Components – Using outdated libraries, frameworks, or third-party plugins with known security risks.
- 7. Identification & Authentication Failures – Weak password policies, broken authentication, or session management flaws.
- 8. Software & Data Integrity Failures – Vulnerabilities in application updates, third-party integrations, or data handling.
- 9. Security Logging & Monitoring Failures – Lack of proper monitoring, making it difficult to detect or respond to attacks.
- 10. Server-Side Request Forgery (SSRF) – Allowing attackers to manipulate server requests and gain unauthorised access to internal resources.
Benefits of a Web Application
Penetration Test
A successful cyber attack on a web application can result in data breaches, financial loss, and reputational damage, often with long-term consequences. At Pentest People, our CREST-certified Web Application Penetration Testing services provide a controlled, real-world simulation of cyber threats, helping you identify and remediate security weaknesses before attackers can exploit them.
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Identify Critical Security Vulnerabilities: Uncover weaknesses in your web applications, APIs, and backend systems before attackers can exploit them.
Expose Logic Flaws & Insecure Functionality: Identify broken authentication, session management issues, and security misconfigurations that put your users at risk.
Protect Your Users & Business Reputation: Prevent data breaches, unauthorised access, and downtime that could lead to financial and reputational damage.
Talk to an Expert About Web App Penetration Testing
Fill out our contact form and a member of the team will be in touch to discuss your needs and offer support or contact is by phone on 0330 311 0990
1000’s of Organisations Trust Pentest People For Their Penetration Testing
What Are You Waiting For? Get a Quote Today & Fortify Your Web Applications
Unsecured Web Applications are prime targets for hackers. Don’t wait for a security breach to expose vulnerabilities—take a proactive approach with Pentest People’s Web Application Penetration Testing. Our CREST-certified experts conduct in-depth security assessments to identify weaknesses, exploit potential attack vectors, and provide actionable remediation advice.
With our industry-leading SecurePortal, you’ll gain real-time visibility into security risks, track remediation progress, and ensure continuous protection. Whether you need to meet compliance requirements or strengthen your cyber security strategy, we’re here to help.
Identify & fix critical vulnerabilities
Ensure compliance with PCI DSS, GDPR & ISO 27001
Get 12 months of free vulnerability scanning
Need More Info on Web Application Testing?
Frequently Asked Questions
What is the deliverable from Web Application Penetration Test?
The deliverable from this service is a full Web Application Penetration Test Report that is uploaded to our SecurePortal and available for you to interact with. This differs from the competition in the way this is delivered and we believe this is a much clearer way to work with an manage the results of the assessment.
Can you test an Internal Web Application?
Yes, we can test an internal application in one of two ways. If possible you can get us remote access via a VPN service so that our security consultant can connect to the application. The second way is where our security consultant visits your site and connects to the internal app in the same way the users would.
What type of Web Applications can be tested?
We can test all of the latest web technologies and web-based applications. Our security consultants are very experienced at such testing and the initial scoping exercise will provide you with an accurate estimation of time required, whether this be authenticated, unauthenticated or even APIs.
What the difference between a normal Pen Test and Web App Test?
What is classed as a normal Penetration Tests are usually focussed more around the network infrastructure and hosts rather than web applications. Web Application security is a specialised field and requires specialist consultants who understand computer software architectures in order to achieve a thorough assessment.
Do I need a Web Application Assessment?
At Pentest People we feel that any organisation with an external-facing Web Application needs a Web Application Penetration Test. Due to the range of exploits now available and easily accessible to threat actors, if your web application isn't regularly tested you're at major risk of a cyber incident occurring.
What is a Web Application Penetration Test?
A web application test, also known as web application penetration testing or web app pen test, is a comprehensive process used to identify and evaluate security vulnerabilities in web applications. This test simulates real-world cyber attacks to uncover potential weaknesses, such as SQL injection, cross-site scripting, and authentication flaws, within the application's design, code, or configuration.
Learn Something New
Have a read of our blogs written by industry experts, covering topics from all areas in cyber.
SecurePortal 2.11 - Single Sign On (SSO) and Requested Upgrades
Discover how Pentest People’s latest updates to SecurePortal—featuring Single Sign-On (SSO), Company Tasks, and Quick Filters—are transforming task management, enhancing security, and streamlining workflows. Stay organised, save time, and experience a smarter way to manage your assessments!
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