Secure mission critical apps

Thick Client Penetration Testing Services

Our thick client penetration testing services identify and fix the most complex vulnerabilities in proprietary components and communication protocols of modern desktop applications, whether it’s built on a two-tier or a three-tier infrastructure.

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Got an urgent need?
Call us at 1-877-805-7475.


What is Thick Client Penetration Testing?

Thick client penetration testing is an assessment designed to identify and fix cybersecurity vulnerabilities in desktop applications using the same tools and techniques as hackers. Whether the thick client built on a two tier or three tier architecture, our assessments allow organizations to identify and fix real-world opportunites for hackers to exploit their company’s applications to launch further malicious acts on their user’s computer.


Thick Client Top Vulnerabilities

One of the most common thick client vulnerabilities is an operating system vulnerability. Thick clients usually rely on the underlying operating system for security, so any flaws in the OS can be exploited by attackers. Another thick client vulnerability is related to information gathering. thick clients often store a lot of sensitive data locally, making it a prime target for attackers looking to steal sensitive information.

Finally, thick clients are often complex applications that can be difficult to secure. This complexity can make it difficult for security professionals to identify and fix vulnerabilities in a timely manner. As a result, thick clients are often one of the most vulnerable types of systems in an organization.

Our thick client penetration testing services cover the most common vulnerabilities and identify risks unique to your application with the help of manual techniques.

gcp penetration


Sensitive Information

Penetration Testing

Communications (TLS/SSL)

security testing


Error Handling

Source code Review

Logic Flaws

GDPR compliance services

No Code

Wireless Penetration Testing

Broken Authentication &
Session Management

Host Security Review Vulnerability

Insufficient Logging
& Monitoring


Why Choose Vumetric For Your Thick Client Penetration Test?

Our thick client penetration testing services have helped hundreds of organizations fix vulnerabilities in their applications.

Real-world expertise - Our consultants have tested and successfully secured thick clients of all types, from security software to utility tools.

Manual testing - Our tests combine manual techniques and automated tools in order to identify vulnerabilities unique to your thick client.

Flexibility - Each project is tailored to your context and needs to maximize the results. We don't believe in a cookie-cutter approach.

Consultant approach - To guarantee a successful project, we present our findings and recommendations to your stakeholders to ensure full comprehension of the identified risks and proposed corrective measures.

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Get Expert-Vetted Vulnerabilities

Our penetration reports deliver more than a simple export from a security tool. Each vulnerability is exploited, measured and documented by an experienced specialist to ensure you fully understand its business impact.

Each element of the report provides concise and relevant information that contributes significantly towards improving your security posture and meeting compliance requirements:

Executive Summary

High level overview of your security posture, recommendations and risk management implications in a clear, non-technical language.
Suited for non-technical stakeholders.

Vulnerabilities & Recommendations

Vulnerabilities prioritized by risk level, including technical evidence (screenshots, requests, etc.) and recommendations to fix each vulnerability.
Suited for your technical team.


This document will allow you to meet compliance and regulatory reporting requirements efficiently and with minimal overhead.
Suited for third-parties (clients, auditors, etc).

What Our Customers Say:

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Frequently Asked Questions

Penetration testing is essential to any business, but it remains a complex subject and choosing the right provider can be challenging. The following FAQ answers the most frequently asked questions to help you make an informed decision. Couldn’t find your answer? Ask an expert directly.

The cost of a penetration test varies significantly according to a number of factors. The most determining factor is the size (such as the number of the IP addresses being targeted) and the complexity of the testing scope (the number of features in an application, for instance).

Contact sales to get a quote or read our blog post to learn more.

Average projects take between 2-3 weeks from start to finish.

We are flexible and usually can adapt to your deadlines.
Contact us to discuss planning and schedule.

Yes. At the end of the project, we offer a free retest of the identified vulnerabilities to validate your corrective measures.

Once this is done, we provide an attestation letter that allows your organization to easily comply with various third-party requirements (SOC 2, PCI-DSS, ISO27001, GDPR, etc.)

Vumetric, Leader in Thick Client Penetration Testing

Vumetric is an ISO9001-certified company offering penetration testing, IT security audits and specialized cybersecurity services. We bring proven best practices to every project and have delivered our services across five continents. Our clients include S&P 500 companies, SMEs and government agencies.

100% dedicated to pentesting

No outsourcing

No resell of material / software

Transparency & reputation

Actionable results

Certified experts

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Got an urgent request? Call us at 1-877-805-7475 or Book a meeting.
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What happens next:

  • We reach out to learn about your objectives
  • We work together to define your project's scope
  • You get an all-inclusive, no engagement proposal

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