Your Hosts

Lieuwe Jan Koning

Co-Founder and CTO, ON2IT

Lieuwe Jan Koning (Co-Founder and CTO of ON2IT) is the creator of ON2IT’s AUXO™, the proprietary Zero Trust as a Service platform. This is one of the many ways he shows he is committed to innovation that delivers leading edge Zero Trust cybersecurity solutions, services and support.

In addition to his broad knowledge of ICT, he has always had a passion for IT security. He was one of the first to introduce the Zero Trust strategy on the European market, together with major players like Palo Alto Networks and VMware. Lieuwe Jan’s creativity, combined with his specialistic technical knowledge, makes him a valuable sparring partner in solving in-depth security issues.

Peter van Burgel


Peter van Burgel (CEO of AMS-IX), leads one of the largest Internet Exchanges in the world and the vibrant hub of the Dutch digital infrastructure. Van Burgel is a thought leader on internet and internet technology and owns AMS-IX’ vision to “create a better society through better internet” and is the driving force behind several initiatives to make the internet more secure, safe, and sustainable.

Furthermore, he is passionate about digital transformation and has led several global organizations successfully through their transformation. Naturally, van Burgel is also leading  AMS-IX’ transformation into an agile and high performing organization.

Your Cybersecurity Experts

Luca Cipriano

Threat Intel Specialist, ON2IT

Luca Cipriano (Threat Intel Specialist at ON2IT) is a distinguished Threat Intelligence Specialist, whose profound expertise lies in deciphering complex threat landscapes with remarkable precision. Luca has the exceptional gift of translating complicated threat attacks into accessible language, making intricate cybersecurity concepts comprehensible for diverse audiences. With this he bridges the gap between technical complexities and layman understanding, fostering a collaborative and informed cybersecurity environment.

As a bonafide A-class nerd, Luca’s insatiable curiosity and relentless pursuit of knowledge position him at the forefront of emerging cyber threats.

Rob Maas

Field CTO, ON2IT

Rob Maas (Field CTO at ON2IT) is a leading Zero Trust Consultant, who has years of practical experience implementing Zero Trust and is known for his passion for IT, Cybersecurity and mountain biking.

Rob is extremely curious and encourages the same curiosity in others by explaining complex cybersecurity matters in a way that makes them accessible and understandable for everyone.

Our Guests

Harald Bosman

John Kindervag

Creator of Zero Trust, Former SVP ON2IT

John Kindervag, creator of Zero Trust, joined ON2IT in 2021, the same year he was honored as Cybersecurity Person of the Year by CISO Magazine.

He is recognized globally as one of the leading cybersecurity experts, best known for creating the Zero Trust framework. His expertise in security practice is extensive, having served as a security consultant, penetration tester, and security architect. In 2021, while being Senior VP at ON2IT, he was one of the main authors for the NSTAC Zero Trust report presented to the President of the United States.

John is passionate about advancing cybersecurity practices and continues to contribute significantly to the field, driving forward initiatives that enhance security on a global scale. We are honored and proud that John still remains and always will be He’s an important part of the ON2IT family.

Harald Bosman

Matthijs Zwart

CIO and CISO, Vitens

Matthijs is CIO and CISO within Vitens, the largest drinking water utility in the Netherlands. Vitens serves a third of the Dutch population with clean spring water, which is purified and distributed using 96 production facilities and over 55.000 km of pipeline. Vitens is aiming to become fully data driven and at the same time people focused. Matthijs plays a leading role in this transformation.

Next to changing the culture and technology, he is responsible to keep Vitens ready to face the challenges of an ever-increasing cyber threat. He holds a Master of Science in Applied Physics.


Martijn Peijer

Cybersecurity Expert SOC, Dutch Tax Office

Martijn started using a computer when he was only 5 years old and created his first virus when he was only 9 years old. He has been working in cybersecurity for quite a few years now. Currently employed as Cybersecurity Expert at the Security Operations Center (SOC) of the Dutch Tax Office,

Martijn is focusing on Threat Hunting, Ethical Hacking, OSINT and CTI. He is also a part of several external collaborations and is a member of several external collaborative groups, such as the J-SOC and the Anti-DDoS Coalition and is also responsible for coordinating the creation of the plan of attack for the national DDoS test on behalf of the RED-Team each year. Furthermore, he is a Cyberspecial at the Dutch National Police and in his spare time he likes spending time on NFC/RFID hacking, participating in CTFs and messing around with the Flipper Zero and various other hacking tools.





Remco Poortinga

Team Lead Security Technology, SURF

Remco Poortinga-van Wijnen is Team Lead Security Technology at
SURF, the collaborative organisation for IT in Dutch education and research. He and his team are responsible for providing technical services to SURF members that help them in improving their security posture, such as VPN, SOC/SIEM, issuing of certificates, mail filtering and others.

Remco has been at SURF for more than 15 years. He has an MSc in Electrical Engineering (University of Twente, 1997).


Sina Yazdanmehr

Founder and Managing Director, Aplite GmbH

Sina Yazdanmehr, founder and managing director of Aplite GmbH, is a senior information security consultant and researcher. Since 2009, he has worked for different security firms and CERT, developing a strong expertise in cloud, application, and telecom security.

Sina has presented his research at conferences like Black Hat. Recently, his expertise extended to healthcare cybersecurity, discovering structural issues.




Jan van Boesschoten

Innovation Manager, AMS-IX

Jan van Boesschoten, Innovation Manager at AMS-IX, diligently monitors a wide range of emerging technologies and their impact on social and economic developments.

His primary role involves synthesizing these insights to develop first-generation tools and services. He navigates the delicate balance between envisioning the future and producing tangible results. If this balance were compared to a tightrope, the risks involved would be substantial. Despite this, he has remained steadfast, significantly supporting AMS-IX’s mission to foster a better society through improved internet.

Harald Bosman

Harald Bosman

Senior Endpoint Engineer, AMS-IX

Harald Bosman (Senior Endpoint Engineer at AMS-IX) has been serving as a Mac Engineer for over a decade with an unwavering commitment to cybersecurity. Harald is an expert in his field and is dedicated to staying ahead of the curve by educating himself on emerging technologies and threat vectors.

Harald’s expertise lies in navigating the constantly evolving cybersecurity landscape and integrating enterprises with Mac infrastructure, such as Azure and Microsoft.


Harald Bosman

Jayson E Street

Hacker, Helper & Human

 Referred to as a “notorious hacker” by FOX25 Boston and a “World Class Hacker” by National Geographic, Jayson E. Street prefers to be known simply as a Hacker, Helper & Human. A Simulated Adversary for hire, he authored the “Dissecting the hack: Series,” required reading at multiple colleges. As the DEF CON Groups Global Ambassador, he has spoken at DEF CON, DEF CON China, and other ‘CONs & colleges. He also lectured at the Beijing Institute of Technology for ten years.

Jayson has explored networks worldwide, successfully robbing banks, hotels, and government facilities on five continents, with only one error in Lebanon. A lively speaker, he has enjoyed pizza from Bulgaria to Brazil. Proudly, he was named one of Time’s persons of the year for 2006.