Attack on GSM-R

ByStefan Karg 10.10.202225.08.2025

Cables for GSM-R were intentionally cut this morning in northern Germany. This is a very serious incident and has to be carefully investigated with regard to the motivation of the attackers.

Link to article of German newspaper “Die Zeit” (08.10.2022)

AI

Identification in times of AI
ByStefan Karg 23.03.202325.08.2025

Voice and video as a means of identification can no longer be considered as secure! Let me predict, that the threat of impersonation through deepfakes and AI generated content will be one of the next big things. They will be used for fraudulent activities or for attempts to manipulate the public opinion. We need new…

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Security

ENISA: Cybersecurity Threats for 2030
ByStefan Karg 30.03.202325.08.2025

What are the emerging cybersecurity threats for 2030? ENISA risks a glimpse into our future… ENISA Foresight Cybersecurity Threats for 2030 | ENISA Be aware that supply chain attacks are on their way to becoming the number 1 threat, according to ENISA. From my point of view, this topic is currently underestimated and we might…

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Rail technology

Hydrogen powered trains
ByStefan Karg 26.10.202225.08.2025

Hydrogen has the advantage of being a chemical form of storing energy. This can help in the railway sector to bridge gaps between parts of the track where electric power is available and parts which are not electrified yet. Battery power is not the one-fits-all solution, especially for heavy freight trains or also in other…

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Rail technology

Opening of new high-speed line
ByStefan Karg 05.12.202225.08.2025

With this year’s timetable change, the first part of the new railway line between Ulm and Stuttgart is finally going to be in operation – thus, reducing the journey between both cities from 1h to only 45 min. More changes in the German railway timetable for 2023 are presented in this video:

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Conferences / Events

Next Stop: Fulda
ByStefan Karg 22.11.202225.08.2025

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!

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Security

ISO 27005 Information Security Risk Manager
ByStefan Karg 16.12.202517.12.2025

This month I’ve earned the Information Security Risk Manager. ISO/IEC 27005 certification of rigcert.education. Having multiple years of experience in managing security risks in OT environments according to IEC 62443-3-2, the ISO 27005 provides an extended perspective on risk management. Effective information security risk management is crucial for maintaining secure systems. Failing to properly assess…

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