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?

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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Conferences / Events

Thanks for attending
ByStefan Karg 11.11.202225.08.2025

A big “Thank you” to all participants for attending the German edition of our ICS – Informatik Consulting Systems webinar today! I’m very happy, that so many people were interested in the topic “Security lifecycle management for existing ETCS products”. 📣 In case you’ve missed it or you’re not speaking German – don’t worry! There…

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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

Company ID cards on social media
ByStefan Karg 01.07.202225.08.2025

Be careful, what you post in your social media profile! Unfortunately, this is valuable input for a potential attacker. Especially the layout of the ID is interesting, in this case even with a valid ID… 🙁 In best case, the processes are designed in a way, that only this information will not lead to anything…

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Cyber Resilience Act (CRA)

Understanding “Products with Digital Elements” Under the Cyber Resilience Act (CRA)
ByStefan Karg 16.02.202616.02.2026

If you’re evaluating whether your product falls under the Cyber Resilience Act (CRA), you’ve likely encountered the term “Product with Digital Elements” (PDE). This term is central to the CRA, and understanding it is crucial. The Cyber Resilience Act (CRA) defines the scope of its regulations in Article 2, which explicitly references “products with digital…

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Rail technology | Security

How railway cyber security works in a nutshell
ByStefan Karg 10.08.202325.08.2025

Step 1: Plan Security Management: This is the first step in the process, indicating the importance of planning and managing security measures effectively. Step 2: Security Risk Analysis (IEC 62443-3-2): The second step involves conducting a security risk analysis in accordance with the IEC 62443-3-2 standard. This step is crucial for identifying potential security risks…

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