Penetration Testing Services

Infrastructure Assessment
Assess the resilience of your internal and external networks, identify weaknesses, and strengthen your security posture.

Web Application Assessment
Uncover and understand security weaknesses in your web applications and reduce risk with actionable insights.

API Assessment
API testing to identify security weaknesses and provide clear guidance for secure, resilient integrations.

Thick-Client Assessment
Desktop application testing to uncover client-side vulnerabilities and provide clear, actionable guidance.

Wireless Assessment
Wireless network testing to uncover configuration weaknesses and provide clear steps to strengthen security.

Network Segmentation Assessment
Testing to confirm effective network segmentation, identify misconfigurations and reduce lateral movement risk.

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Our Penetration Testing Process

Step 1: Get in Touch
Contact us using the form above and let us know you'd like to discuss penetration testing.

Step 2: Scoping & Discovery
We’ll send you a short scoping form and arrange a brief introductory call. During this call, we’ll discuss your environment, objectives, and the type of penetration testing that may be appropriate. If you’re unsure what you need, we’ll guide you.

Step 3: Proposal
Following the scoping call, we'll provide a formal proposal outlining the agreed scope, approach and next steps.

Step 4: Scheduling
Once the scope is confirmed, we'll schedule the engagement for a timeframe that works for you.

Step 5: Testing Begins
Our experienced penetration testers begin the engagement, carrying out testing in line with the agreed scope and rules of engagement.

Step 6: Reporting
After testing is complete, we prepare your final report. If required, we can also provide a high-level summary of findings ahead of the final report.

Step 7: Remediation Support (Optional)
If you'd like assistance addressing the issues identified, our consultants and engineers are available to support remediation with specialist expertise.

Step 8: Retesting (Optional)
Once remediation is complete, we can re-test the resolved findings and update your report to confirm that the issues have been addressed.

Penetration Testing Service Descriptions

Infrastructure Assessment

Your internal network holds your most valuable systems, making it essential to understand how weaknesses could be exploited if an attacker gains a foothold. Our Internal Infrastructure Testing provides a detailed assessment of your environment, with a strong focus on endpoint analysis, network configuration, segmentation, and potential paths for privilege escalation or lateral movement.

A key component of this work is our in‑depth Active Directory security testing, where we review identity configurations, access control structures, authentication mechanisms, Group Policy settings, and common misconfigurations used in real‑world attack chains.

All testing is carried out by highly experienced penetration testers who specialise in manual assessment techniques supported by industry‑leading tooling. This combination ensures we uncover genuine, high‑impact weaknesses that automated scanners frequently overlook.

Web Application Assessment

Identify, understand, and remediate security weaknesses in your web applications with expert UK penetration testing. We use the OWASP Top 10 as a core baseline, then extend beyond it with our own enhanced testing methodology designed to uncover complex business‑logic flaws, misconfigurations, and real‑world attack paths that automated tools often miss.

Our approach combines manual testing, industry‑standard techniques, and attacker‑focused thinking to give you a complete picture of your application’s security posture. Every assessment is delivered with a clear, prioritised report including detailed impact analysis and practical, actionable remediation steps your development teams can implement quickly.

API Assessment

APIs power critical business functions and connect key systems, making them a high‑value target for attackers. Our API Security Testing focuses on identifying weaknesses in authentication, authorisation, data exposure, and how your services interact with one another.

Using the OWASP API Security Top 10 as a reference point, we build on this with our own specialised testing approach, designed to reveal subtle logic issues, insecure design decisions, and overlooked implementation errors that typical testing tools fail to detect.

Thick-Client Assessment

Thick‑client applications introduce security challenges that are very different from web or API technologies. Our Thick‑Client Testing focuses on the components attackers most often target: local data storage, compiled application logic, communication protocols, and the trust boundaries between the client and the server.

Our consultants bring strong expertise in reverse‑engineering, debugging, and protocol analysis, using specialist tooling and hands‑on techniques to explore how the application behaves under manipulation. This allows us to uncover issues such as tampering risks, insecure local caches, weak cryptography, bypassable logic, and vulnerabilities within custom or proprietary communication layers.

Wireless Assessment

Wireless networks introduce risks that attackers can exploit long before they reach your building. Our Wireless Security Assessments focus on evaluating the strength of your Wi‑Fi infrastructure, from authentication methods and encryption standards to network isolation, rogue access risks, and weaknesses in how devices interact with your environment.

Our consultants use a blend of manual investigation and specialist wireless tooling to analyse signal coverage, identify insecure configurations, assess protocol weaknesses, and test for opportunities to gain unauthorised network access. This approach goes far beyond basic scanning, uncovering issues that attackers typically target during real‑world wireless compromise attempts.

Network Segmentation Assessment

Effective segmentation can be a strong defence against attacker movement inside a network. Our Network Segregation Testing validates whether your access controls, firewall rules, and isolation boundaries operate as intended by examining how systems and services are separated across your environment.

Instead of simply testing connectivity, we take time to understand how your critical assets are structured, prioritised, and architected within the network. This context allows us to assess segmentation in a way that reflects real‑world risk, identifying weaknesses that matter most to your organisation; not just technical gaps, but the potential impact these gaps could have on your core systems and data.

FAQs

What is Penetration Testing?

Penetration Testing (often called a "Pen Test") is a controlled security assessment that simulates real-world cyber‑attacks against your systems, applications, or networks. The goal is to identify vulnerabilities and demonstrate how they could realistically be exploited by an attacker, helping you understand and reduce risk before it is abused maliciously.

How is Penetration Testing different from Vulnerability Scanning?

Vulnerability Scanning is largely automated and identifies potential weaknesses. Penetration Testing goes further by using manual techniques and attacker‑led methods to validate whether vulnerabilities can actually be exploited and what impact that exploitation would have on your organisation.

Will the test disrupt our systems?

All testing is conducted under strict rules of engagement and an agreed scope to ensure systems are not harmed. Testing is carried out with the utmost care using a non-destructive approach, and our consultants will liaise with you before any high-risk activity. Should any risk of disruption be identified, testing will be paused immediately and will only resume following explicit approval from the nominated client point of contact once the environment is confirmed as stable.

What will we receive at the end of the test?

At the conclusion of the engagement, a comprehensive penetration testing report will be delivered within 10 working days of test completion. This report will include:

Executive summary for senior stakeholders
Overview of the testing methodology
Technical details of all findings
Risk rating and impact assessments
Tailored remediation recommendations to address each identified vulnerability

A high-level summary of findings can also be provided in advance of the final report upon request.

Do you help with remediation?

Yes. As standard, all clients are offered a walkthrough of the findings with time for questions and clarification. We can also provide hands‑on technical remediation support from our consultants and engineers as an additional service.

How often should Penetration Testing be carried out?

Industry best practice recommends penetration testing at least annually, as well as following significant changes such as infrastructure upgrades, new applications, or major configuration changes.

Are your testers accredited?

Yes. Our consultants hold certifications from recognised accreditation bodies, including Cyber Scheme and Zero Point Security. Where required, we also work with trusted partner teams to deliver accredited testing services, including CHECK penetration testing.

How much does Penetration Testing cost?

Pricing is typically based on a daily consultant rate, starting from £1,200 per day, depending on the scope, complexity and timing of the engagement. A precise quote is provided following the scoping process.

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Penetration Testing Services

Our Penetration Testing Process