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Founded in 2018 by cybersecurity expert Diederik Perk, CyberTGR is a specialized consulting firm dedicated to fostering a culture of cybersecurity accountability and resilience. With over 10 years of frontline experience in cybersecurity, he is dedicated to leveraging his expertise to deliver tailored solutions that help organizations safeguard critical assets, ensure compliance, and stay ahead of evolving cyber threats.
About CyberTGR
Prepare for the worst, so you can be at your best
The CyberTGR Trail
2014
As an author Diederik Perk contributes to books, the Dutch Cyberdictionary and renowned blogs such as InfoSec Institute, Tripwire and Cyberwarzone providing expert commentary and analysis. In addition, he authored numerous confidential reports and delivered webinars tailored for select audiences.
Published Work
2018
Professional Certifications
Day-long trainings are often one-dimensional, dry, and overly theoretical. As an instructor, Diederik brings these topics to life by emphasizing practical, real-world applications through engaging and interactive methods. Holding leading certifications himself—including CISSP, CISM, CISA, CRISC, CCSP, ISO 27001 Lead Implementer, ISO 27001 Lead Auditor, and ISO 27002 Lead Manager—he enjoys guiding participants toward successful completion.
2016
Speaking Engagements
When presenting at prominent events, venues and institutions Diederik explores current events and strategic threat landscape developments. He has spoken at the FIRST symposium, the European Central Bank and FS-ISAC for 800+ delegates of leading financial institutions.
2019
Course Development
CyberTGR was commissioned to develop 30 ECTS worth of learning materials on the topic of the multidisciplinary field of cybersecurity, resulting in the Cybersecurity Orchestration class. These materials have been delivered to hundreds of students by various teachers at an University of Applied Sciences, helping to launch and advance many careers in the field
2020
In Public Service
A strong commitment to securing public services led Diederik to develop risk management and control selection practices for the Dutch Parliament and serve as a Lieutenant 1st Class in the Cyber Reservists for the Ministry of Defense. The lessons learned from four active years continue to shape CyberTGR’s comprehensive approach to information security today.
2024
Qualified Lead Auditor
Trust is the foundation for effective collaboration between organizations. In Diederik’s experience, implementing control frameworks and an ISMS is essential for structuring a security operating model. Auditors play a critical role in identifying the strengths and weaknesses of an organization’s information security and privacy management. As a certified ISO27001 and ISO9001 Lead Auditor, Diederik applies his expertise to this dynamic and vital process.
Partners
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