Your phone knows everything about you, but so does the attacker

Mobile devices have become the most information-dense objects most people carry. Location history, communication patterns, work calendars, access credentials, sensitive documents: it is all there, on a device that fits in a jacket pocket and connects to dozens of networks each day. For a while, the security industry treated this as a consumer problem. That […]
Civil servants, surgeons, and lawyers: why every sector has a mobile security problem

Mobile security is not a defence sector concern that occasionally spills over into other industries. It is a universal exposure that manifests differently depending on what your organization does, what data it handles, and who wants access to it. The sectors that have historically invested least in mobile security are often the ones that carry […]
Signing it twice: mitigating the effects of state reuse for stateful signatures

By Niels Duif and Daan S. Meijer, Sentyron Stateful hash-based signature schemes such as LMS and XMSS are widely trusted post-quantum standards, but they share a known weakness: if a signing key is ever accidentally reused, even once, the result can be a practical forgery. In the real world, with backups, caching, and system crashes, […]
Eduard de van der Schueren: “80% is also good. We can no longer afford 10 years of development before we start”

In the latest episode of The Sentyron Standard, host Willemijn Rodenburg sits down with Commodore Eduard de van der Schueren, Program Director for the Protection of North Sea Infrastructure. What this episode brings out is something specific: how the Netherlands and Europe need to change the way they think, decide and cooperate if protection is […]
YES!Delft and Sentyron join forces to strengthen secure innovation in Europe

YES!Delft and Sentyron have entered into a strategic partnership to accelerate the development of cybersecurity, dual-use and deep-tech startups in the Netherlands, giving founders direct access to high-assurance expertise, as security standards once reserved for defence and intelligence are fast becoming the baseline across industry and critical infrastructure. The partnership connects one of Europe's leading […]
“We zochten geen beheerder. We zochten een bouwer.”

Christian Prickaerts, CEO van Sentyron, over de komst van Artie als nieuwe COO Groei vraagt om keuzes. Niet alleen in strategie of marktbenadering, maar vooral in mensen. Want uiteindelijk zijn het de mensen die bepalen of een organisatie de volgende fase daadwerkelijk bereikt. De keuze voor Artie was dan ook geen lichte. We hebben er […]
Artie Debidien appointed COO of Sentyron

High-assurance security specialist strengthens leadership team with experienced executive for next growth phase in the Netherlands and Europe Delft, 7 May 2026: Sentyron (formerly Fox Crypto), the Dutch provider of high-assurance cybersecurity solutions for government, defence and critical infrastructure, has appointed Artie Debidien as Chief Operating Officer. Artie previously held CIO and board positions at […]
Watch on demand | Webinar OT security in practice: lessons from the energy sector

OT security has moved from a niche concern to a board-level priority. NIS2 raises the bar on resilience, IT/OT integration expands the attack surface, and critical infrastructure operators face a growing gap between what is required and what is realistic. In this webinar, three experts from across the OT ecosystem, an integrator, a grid operator and a security specialist, sit down to share what OT security actually looks like in their daily work.
Peter van Burgel: “We define sovereignty as freedom of choice”

In this episode of The Sentyron Standard, Willemijn Rodenburg speaks with Peter van Burgel, CEO of AMS-IX, one of the world’s largest internet exchanges. From Amsterdam, AMS-IX helps route the traffic that keeps networks, cloud providers, telecoms and platforms connected. Most people never see that layer of the internet. But they depend on it every […]
Frank Breedijk: “Security doesn’t run the business, business runs the business”

In the latest episode of The Sentyron Standard, Willemijn Rodenburg sits down with Frank Breedijk, CISO at Schuberg Philis and one of the most recognisable voices in Dutch cybersecurity. What follows is not a conversation about hype, fear or abstract frameworks. It is a grounded look at what security actually demands from organisations in 2026. […]