Security

CIA Triad

ByStefan Karg 29.07.202225.08.2025

This week: Learn about the three fundamentals of security:

🔒confidentiality, 🏡 integrity and 🟢 availability

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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Cyber Resilience Act (CRA)

Understanding the Cyber Resilience Act (CRA) Timeline
ByStefan Karg 26.02.202626.02.2026

What are the most important dates related to the CRA that manufacturers, importers or distributors need to keep in mind? Are you prepared?

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AI

WormGPT and FraudGPT
ByStefan Karg 28.07.202325.08.2025

As with any new technology, the “other side” is trying to figure out how to use it to their advantage. The normal commercial versions of LLMs have barriers built in to prevent the creation of malware code or phishing mails, for example. If you remove these barriers, you get the output that we as security…

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Political

Open AI Sora Text-to-video
ByStefan Karg 19.02.202425.08.2025

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.

Read More Open AI Sora Text-to-video
OT

Windows 3.11 in 2024? Here’s why.
ByStefan Karg 03.02.202425.08.2025

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…

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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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