Security

DDoS attacks

ByStefan Karg 03.02.202325.08.2025

The German Federal Office for Information Security (BSI) informs about a wave of DDoS attacks against websites of mainly airports as well as from the financial sector and the government, which happened last week.

Post of BSI on LinkedIn

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.

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Security

Crisis and Disaster checklist
ByStefan Karg 14.01.202614.01.2026

Incidents such as the blackout in parts of Berlin lasting several days emphasize the importance of personal preparation for crisis and disaster. The German BBK has published checklists for this purpose. The BBK is the German Federal Office of Civil Protection and Disaster Assistance. Personally I don’t prefer to check off such a list on…

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OT

Is your OT-to-cloud connection secure?
ByStefan Karg 10.05.202325.08.2025

Here are some questions to ask! Of course this is not the full list of questions, since your environment has to be known to choose the corresponding countermeasures.

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Vulnerabilities

CVE-2024-3094: xz-utils backdoor
ByStefan Karg 30.03.202425.08.2025

The newly discovered xz-utils backdoor, which was published yesterday (NVD – CVE-2024-3094 (nist.gov)) also affects one of the Linux distributions most used by penetration testers: Kali Linux. ❗Make sure, that you are updating your Kali installations as fast as possible, especially when you updated them before in the time frame between 26.03.2024 and 29.03.2024. 💡For…

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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

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…

Read More BSI AI Guideline

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