Next Stop: Fulda
On the way to the Verband Deutscher Eisenbahn-Ingenieure e.V. (VDEI) conference about railway cybersecurity where I’ll be speaking tomorrow… of course by train!

On the way to the Verband Deutscher Eisenbahn-Ingenieure e.V. (VDEI) conference about railway cybersecurity where I’ll be speaking tomorrow… of course by train!

Critical infrastructure faces a growing number of security threats.. Critical infrastructure typically relies on Industrial Automation and Control Systems (IACS) and other non-IT components, often referred to as “Operational Technology.” To effectively assess cybersecurity risks within operational technology (OT) systems, adhering to the internationally recognized IEC 62443 standard is best practice. IEC 62443-3-2, part of…
Frank Karlitschek, the founder and CEO of Nextcloud, gave an inspiring talk at 2025 re:publica conference in Berlin about how to establish a sustainable, enterprise-ready open-source project. 🌐 Link [DE]: re:publica 25: Frank Karlitschek – So baut man ein nachhaltiges Open Source Unternehmen In his talk he highlights the factors making an open-source project successful….
The Polish Press Agency (PAP) reports a cyber attack on the Polish rail network in the north-west of the country in Szczecin. A BBC article reports: “Hackers broke into railway frequencies to disrupt traffic in the north-west of the country overnight, the Polish Press Agency (PAP) reported on Saturday.The signals were interspersed with recording of…
Real time AI applications can bring huge benefits but also come with (social) risks we will have to deal with. The example below is a good demonstration of what is possible today. I’m very curious regarding the public discussion on how we will balance benefits vs. risks of such applications without killing technological progress in…
This was my start into the new week this morning! 🌞🚴 This week I’m at one of our customers laboratories. Certain tests with OT components require physical presence and can’t be done remotely – which is a difference to a lot of IT environments.
Incidents such as the blackout in parts of Berlin lasting several days emphasize the importance of personal preparation for crisis and disaster. The German BBK has published checklists for this purpose. The BBK is the German Federal Office of Civil Protection and Disaster Assistance. Personally I don’t prefer to check off such a list on…