Security

CIA Triad

ByStefan Karg 29.07.202225.08.2025

This week: Learn about the three fundamentals of security:

🔒confidentiality, 🏡 integrity and 🟢 availability

Cyber Resilience Act (CRA)

CRA FAQ
ByStefan Karg 04.12.202504.12.2025

The EU Commission services have just released a comprehensive FAQ to help to demystify the implementation of the Cyber Resilience Act. If the official text left you scratching your head, this 66-page document might be your go-to resource for first practical answers to your questions. Worth a bookmark. Read it here:EU Commission – CRA Implementation

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Security

Üstra hacked
ByStefan Karg 04.04.202325.08.2025

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

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AI

Would you recognize?
ByStefan Karg 06.07.202325.08.2025

📸 How good are you at recognising AI-generated people? ❓ Would you be sceptical if the person tried to connect with you on LinkedIn, for example? You can test yourself on these two sites: 🌐 Which Face Is Real?🌐 thispersondoesnotexist.com

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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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OT

Investigation of cyber-attack on Polish rail network
ByStefan Karg 28.08.202325.08.2025

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…

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OT

New Publication: Automated Security Risk Management for trains
ByStefan Karg 21.07.202525.08.2025

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…

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