Welcome to Zolder! We started this company in March 2020. With 4 fellows, sharing a decent amount of experience as cybersecurity professionals, we have set course to build a great and indefinite working environment for hackers. Because that is who we are, and we believe the availability of hacking skills will be paramount for succesful digital societies.

From Zolder we provide help through security services and software to companies.
Currently we are working on a platform to assess and monitor cloud infrastructure like Microsoft 365. Our goal is to provide SMB with a security governance tool that will match their needs. It will allow us to help a large set of customers with insights we get from our own security research efforts.
Furthermore today we provide time-based services on-demand, like security testing services (e.g. penetration testing), give lectures and presentations as well as training. Let us know what you need, we can probably help out. Contact us through social media or contactform.
Currently, as we are doing fundamental work in setting up our business, we focus on our local business. Therefore most content you will find here will be in Dutch. However, we do post and speak in English every now and then.
Please follow us on social media to stay up to date.
Story
In a dynamic society – in which the digitization of the world around us is increasingly being implemented through robotization, virtual reality, and IoT (Internet of Things) – the social need for a knowledge safety net to carry out that digitization in a controlled fashion is growing. Especially now that the developments and uncertainties related to the COVID-19 crisis show that more and more organizations are storing their data in the cloud, and video conferencing has taken off. Applied digital security research is crucial to create protection for organizations that want to be well prepared for all the technological possibilities the future offers.
Analytical thinking of professional hackers, cyber researchers, software developers, and security consultants is necessary to find solutions to security issues that may not yet exist or that do not present a direct problem. The specialisms required to perform this applied security research have now been brought together under one roof: Zolder.
The real ‘diehard’ cybersecurity experts have learned the tricks of the trade in their attic room. That attic room mentality stands for technical craftsmanship and love for cybersecurity. Zolder was founded as a company based on a deep-rooted passion for all developments related to security in the digital domain. The four founders (Rik van Duijn, Wesley Neelen, Theo Snelleman, and Erik Remmelzwaal), who have met each other as direct colleagues at DearBytes/KPN Security, can always be woken up for a security challenge.
The Zolder team mainly wants to create a company that forms a foundation for security work. Together, Rik, Theo, Erik, and Wesley have over thirty years of work experience in various domains of cybersecurity research. The four have specific hacking, malware, reverse engineering, data analysis, and IT management skills. Customers can rely on their in-depth digital knowledge: from the basics of electrical engineering to networking, operating systems, and applications, incident response in case of virus outbreaks and strategic development of both security hardware and software.
The main goal of the four at Zolder is to be able to conduct autonomous and pragmatically applied security research for parties who need it. Because a substantial part of the Dutch business community is already transforming and implementing digitization processes, it is extremely important from a social perspective that security professionals think about how we can safely adopt the digital technology of the future. Zolder responds to this need by using all jointly accumulated knowledge and experience in the development of new technology. This offers digital protection for all technological possibilities and challenges of the future. It is especially important to invest as much time as possible in research and in this way to convert all knowledge and capacity into value for customers and society in general. Ultimately, the Zolder mentality is characterized by being big and strong, precisely by staying small and operating smartly.