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

Security

Defense in Depth
ByStefan Karg 01.11.202225.08.2025

Food for thought on the public holiday in Germany: What is defense in depth and why should you consider it?

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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…

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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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AI

BSI AI Guideline
ByStefan Karg 12.04.202325.08.2025

What a good start into the weekend 😎 📄 The German BSI has published a guideline for developers regarding potential vulnerabilies in AI systems. 📣 From my point of view, a security risk assessment on systems using AI technologies has to consider the attacks on the AI parts of the system as well. A security…

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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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Security

Are Bluetooth Headsets Secure in the Era of Remote Work?
ByStefan Karg 26.02.202425.08.2025

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…

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