Security

IT/IoT attacks in 2022

ByStefan Karg 26.01.202225.08.2025

OT / IoT attacks and supply chain attacks are considered as 2 of the 10 most “hot trends” in cybersecurity 2022.

6 hot cybersecurity trends — and 2 going cold | CSO Online

AI

AI in the rail sector
ByStefan Karg 08.06.202325.08.2025

We are already seeing real-world applications of artificial intelligence in the rail sector. Deutsche Bahn is using artificial intelligence to reduce delays on its network. My prediction: This is just the beginning of ML/AI applications in our sector. We will see machine learning and AI algorithms becoming more and more widespread in the coming years….

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AI

Bing AI message limitation
ByStefan Karg 17.02.202325.08.2025

There was an interesting article published about Bing’s AI chat bot using a LLM (Large Language Model) this weekend in the New York Times. A clear recommendation for reading:Why a Conversation With Bing’s Chatbot Left Me Deeply Unsettled – The New York Times

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Security

Christmas season
ByStefan Karg 20.12.202225.08.2025

Christmas season is here again! Like you, your “favorite” cyber criminals are also waiting to get their presents. Here are my 3 free security tips for you to spoil their fun this Christmas season: Have a wonderful time with your beloved ones and stay secure!

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OT | Security | Standardization

Railway Security standards
ByStefan Karg 08.08.202425.08.2025

In this post, I delve into the most relevant standards that secure our railway systems. Using Europe and Germany as a case study for the local and national level of standards, the following infographics provides a comprehensive overview of the most relevant standards helping to increase security on the tracks. 📄 Download infographics as pdf:…

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OT | Security | Standardization

IEC 62443-3-2 Risk Assessment Workflow
ByStefan Karg 01.02.202525.08.2025

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…

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Vulnerabilities

CVE-2024-3094: Why the xz-utils backdoor is more than a technical issue
ByStefan Karg 02.04.202425.08.2025

Despite the Easter holidays, a lot of incredible work was done over the weekend by many researchers analysing the details of the xz-utils backdoor. Some examples are: As the situation unfolds, it is becoming clear that this was not just one of the most sophisticated technical (perhaps the most sophisticated) attempts to introduce a backdoor…

Read More CVE-2024-3094: Why the xz-utils backdoor is more than a technical issue

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