Is your OT-to-cloud connection secure?
Here are some questions to ask! Of course this is not the full list of questions, since your environment has to be known to choose the corresponding countermeasures.

Here are some questions to ask! Of course this is not the full list of questions, since your environment has to be known to choose the corresponding countermeasures.

Cybersecurity in public transport: The operator of Hannover’s public transport was hacked. According to the linked article, it seems to be a ransomware attack. Bus and railway operation are not affected, but different systems such as the displays at the stations or the ticketing platform for the new “Deutschlandticket”. https://www.csoonline.com/de/a/cyberattacke-auf-hannoversche-verkehrsbetriebe,3674537
There is a job advert for a Windows 3.11 administrator role in the rail industry doing the rounds on the internet right now – e.g. here at Heise. It’s often accompanied by the question why such old systems are still in use – it’s 2024! Yes, this is the reality of OT systems – not…
The advances in text-to-video models are staggering. With several elections coming up this year and next, it gives a glimpse of the implications for media and social media and how easy it could be to produce very real looking fake news to influence political discussions.
Since the onset of the COVID-19 pandemic, the world has seen a significant shift towards remote working. This shift has led to an increase in virtual meetings and, as a result, the use of Bluetooth headsets for convenience. But one question arises – are these Bluetooth headsets secure? To understand the security of a typical…
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….
Patric Birr and I published an article in SIGNAL+DRAHT, the leading international medium for control and safety technology plus communication and information technology in the railway sector. In the article we propose automating Security Risk Assessments by using digital twins. These allow attack trees to be derived automatically enabling a systematic analysis of potential attack…