Registration for the ONE Conference 2026 is now open!

Every year, cybersecurity professionals from across Europe and beyond come together at the ONE Conference to exchange knowledge, share experiences, and strengthen the digital resilience of our societies. This year, the ONE Conference is on 6 & 7 October at the World Forum, The Hague. Will you be joining in 2026? Register now!

The ONE Conference is Europe’s prime cybersecurity event. A leading platform for sharing knowledge, best practices and research results. Next year’s edition will take place on 6 & 7 October 2026 . Both days will offer a plenary programme as well as optional breakout sessions in smaller groups. A wide variety of topics will be addressed: from highly technical subjects and law enforcement cases to less technical subjects, such as partnerships between the public and the private domain, governance and recent cybersecurity research.

Registration for the ONE Conference is now open! While a select few have received direct invitations, don’t worry if you haven’t. As a cybersecurity professional, you can request an invitation via the button below. All request have to go via the request form, seperate e-mails will not be taken in consideration.

This year’s programme

Explore more than 90 sessions, ranging from technical deep dives and hands-on workshops to strategic discussions and policy-focused sessions, organised across six themes:

• Core of Tech
• Governance
• Geopolitics
• Critical Systems & Chain Security
• Human Impact
• Future of Cyber

In addition to the conference programme, several familiar highlights return:

• The Expo: featuring the theme Made in Europe, showcasing the strength, innovation and resilience of Europe’s cybersecurity sector.
• The ONE Talent Hub: connecting (young) professionals with talent organisations
• The Capital Area: where start-ups and scale-ups can get insight into subsidies, funding schemes and investment funds.
• Networking opportunities: from the networking lunch and drinks to our matchmaking app, helping you connect with peers, new partners or future collaborators.

HSD Partners

Amongst the confirmed speakers are several HSD partners such as ESET Nederland, Politie Nederland, TNO, Bureau Veritas Cybersecurity, Women In Cybersecurity Community Association, Hogeschool Saxion, CFLW Cyber Strategies, Accenture, TU Delft, Universiteit Leiden, Openbaar Ministerie, Attic Security, Gemeente Den Haag, NCC-NL, RAND Europe, Ministerie van Economische Zaken en Klimaat, European Union Agency for Cybersecurity (ENISA), Ferm, Z-CERT, De Nederlandsche Bank, NCTV, De Haagse Hogeschool / The Hague University of Applied Sciences

Our colleague Mark Ruijsendaal, Programme Director at Security Delta (HSD), will participate as a panellist in a discussion based on the findings and insights from the Cadmus Project. Besides Mark, the panel includes Liesbeth Holterman, Evangelos (Vangelis) Ouzounis, Pritti Rana and Alexia Papadimitriou who will adress a shared challenge: bridging the cybersecurity skills gap and strengthening the future cybersecurity workforce.

Registration

Explore the full programme and request your invitation today!