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From billion queries to action: how DNS4EU transforms threat defence
Presented at the VB2025 conference in Berlin, 24 - 26 September 2025.
↓ Slides: https://www.virusbulletin.com/uploads/pdf/conference/vb2025/slides/Slides-From-Billion-Queries-to-Action- How-DNS4EU-Transforms-Threat-Defence.pdf
↓ Paper: N/A
→ Details: https://www.virusbulletin.com/conference/vb2025/abstracts/billion-queries-action-how-dns4eu-transforms-threat-defence/
✪ PRESENTED BY ✪
• Sebastian Garcia (Czech Technical University)
✪ ABSTRACT ✪
In 2023, the EU launched DNS4EU, its sovereign DNS infrastructure. Our research lab was tasked with uncovering newly emerging malicious domains in DNS queries. We built a powerful big data pipeline analysing 1.5 billion domains daily, applying advanced machine learning, Bayesian inference, and false-positive reduction. With this new system finished, we will show intelligence on recent threats, live malware activity, new attack campaigns, evolving adversary behaviour, and our research journey.