Why Choose Our Penetration Testing Services?


Save 20% to 100% on Penetration Testing!


• 5-day engagement with vulnerabilities** = Full price

• 5-day engagement without vulnerabilities** = 20% Discount

• 1-day engagement without vulnerabilities** = FREE

It's a win-win situation for you, ensuring value for your money and a secure web app.

3600* 0
RDay-One Assurance: Risk-free investment in your security.
RDetailed Reporting: Regardless of the outcome, you receive a comprehensive report detailing our findings and recommendations.
RCompetitive Pricing: Excellent value for your money.
RQuality and Expertise: We're dedicated to exceeding your expectations.
RTrust and Transparency: We value open communication and honesty.
RCustomer Focus: Your satisfaction is our priority.
RCompliance Support: We help you meet industry regulations.
RStrong Security Indication: If we don't find vulnerabilities, it's a testament to your robust security measures.
QTime Investment: We can't guarantee the time you invest.
*Price for a typical webapp (1-3 domains max)
**If we don't find at least one medium-level vulnerability (based on CVSS)

What we do

External Penetration Testing

Get ready to put your network's perimeter defenses to the ultimate test with external penetration testing - a thrilling evaluation from the outside-in!
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Web App Penetration Testing

Get ready to give your website and custom applications a high-flying security check-up with web application testing - a thrilling assessment of their defenses!
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Phishing Testing

With our phishing testing services, you can rest assured that your employees are equipped to recognize and defend against sophisticated phishing attacks.
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Internal Penetration Testing

With internal penetration testing, you can stage a fake cyber attack from the inside and watch your network's defenses swing into action! Improve your overall security posture.
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Tailored Consulting

Don't settle for a one-size-fits-all approach to security! We'll tailor a plan just for you. Looking for something not on our menu? Reach out and let us know - we're here to help!
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Mobile App Penetration Testing

We perform mobile app penetration tests to identify vulnerabilities in your custom-built apps. Stay secure and dynamic with our cutting-edge techniques.
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Vulnerability Assessment

We quickly scan your IT infrastructure to identify vulnerabilities and boost your security posture. Trust us to help you stay secure and get back to the fun stuff - like running your business!
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Security Awareness Training

We believe that your employees are your first line of defense against cyber attacks. That's why we offer comprehensive security awareness training that's tailored to your organization's specific needs.
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Bpost: the Belgian postal service hacked (2020)

Bpost: In February 2020, the Belgian postal service, Bpost, suffered a ransomware attack that disrupted its IT systems and caused delays in mail delivery. The attackers demanded a ransom of 650,000 euros in exchange for the decryption key.

Why NextdoorSec?

When it comes to your cyber security, Nextdoorsec doesn't mess around. Our Penetration Tests are tailored specifically to your organization, no matter how unique. We don't do cookie-cutter solutions - every test is designed just for you.

✅ Seasoned Cyber Security Professionals

At Nextdoorsec, our cyber security consultants are experienced professionals with years of expertise.

Each team member individually holds a diverse range of Information Security accreditations, such as OSCP, OSCE, OSEE, OSWE, GWAPT, CISSP, CEH and PNPT, ensuring that our team is well-equipped to tackle any cyber security challenge your business may face.

✅ Straightforward Quoting Process

We believe in making things easy for our clients. That's why we offer a straightforward quoting process - just let us know what you need, and we'll provide you with a quote immediately.

We offer fixed, transparent, no-risk pricing, so you can rest assured that you'll know exactly how much our services will cost before we even begin. With Nextdoorsec, you can enjoy peace of mind knowing there won't be any surprises regarding project costs.

✅ Customized Penetration Testing for Your Unique Business Needs

With Nextdoorsec, you can be confident that our penetration testing will be conducted with your business in mind. Trust us to help you identify and address potential threats to your organization, and keep your data safe from harm.

✅ International Service Availability

At Nextdoorsec, we offer our services to clients worldwide, regardless of location. We understand that cybersecurity threats can happen anywhere, which is why we're committed to providing our offensive security services globally.

Our team is well-equipped to perform our services remotely, so you can take advantage of our expertise without worrying about geographic limitations. With our advanced testing methodologies and tools, we can ensure that your systems are secure and protected from potential cyber threats, no matter where you are in the world.

✅ Clear Communication for Easy-to-Understand Results

We believe that communication is key when it comes to cybersecurity testing. Our team of experts uses industry-standard terminology and jargon-free language to ensure that our reports are accessible and understandable to everyone. We want to ensure you have all the information necessary to take action and address any system vulnerabilities.

✅ Nextdoorsec's Commitment to Customer Satisfaction

We understand the importance of building strong, long-term relationships with our customers. We aim to provide you with the best possible offensive cybersecurity services while ensuring you are completely satisfied with our work.

When you choose Nextdoorsec as your partner in cybersecurity testing, you can trust us to keep you happy. We're here to help you stay protected, secure, and satisfied with our services.

City of Liege hacked (2020)

City of Liege: In December 2020, Liege suffered a ransomware attack that disrupted its IT systems and forced the city to shut down some of its services. The attackers demanded a ransom of 690,000 euros in exchange for the decryption key.

Word on the street

We’re not your average security company. We’ve earned a reputation for delivering tailored solutions to businesses of all sizes. From mom-and-pop shops to tech startups, our expertise keeps your data safe and sound. Our clients appreciate our customized approach and commitment to transparency. Join the Nextdoorsec fam and rest easy knowing your security is in good hands.

Nextdoorsec is an exceptional security company that provides thorough and detailed reports that are easy to understand. Their team is highly knowledgeable and responsive, always willing to answer any questions and provide guidance on how to properly address security vulnerabilities according to industry best practices. With Nextdoorsec’s help, we were able to identify and address previously undetected security gaps in our systems, giving us greater confidence in our overall security posture. We highly recommend Nextdoorsec for any organization looking to improve their security posture and protect their valuable assets.

Pieter van der Meer
Cloud Architect

Nextdoorsec provided our organization with top-notch security services. Their team was incredibly thorough and professional, and their level of communication was outstanding. They kept us informed at every step of the process and were always available to answer any questions we had. We were particularly impressed with their commitment to transparency and their ability to provide actionable recommendations for improving our security posture. We would highly recommend Nextdoorsec to any organization looking to enhance their security and protect their valuable assets.

Lars Jansen

Contact Us


Antwerp, Belgium

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Are you prepared to beef up your cyber defenses and soar to new heights in the digital world?