Welcome to your daily cybersecurity podcast.

🛰️ DNS4EU: the European Union continues to advance its sovereign DNS resolver project, designed to reduce dependency on non-EU services. The initiative aims to deliver a secure, privacy-respecting, and resilient DNS infrastructure operated entirely within Europe, with integrated filtering and threat-detection capabilities.

🛑 Ransomware – Q3 2025 Overview: recent analysis reveals continued growth in ransomware activity, driven by the increasing professionalization of threat groups, industrialized phishing operations, and expanding affiliate networks targeting SMEs, critical infrastructure, and interconnected suppliers.

🎭 North Korean IT worker schemes: several U.S. nationals have pleaded guilty to acting as intermediaries for North Korean operatives posing as legitimate IT professionals to secure employment in sensitive American companies, bypassing sanctions and screening controls.

🏢 Cisco Catalyst Center: a newly disclosed critical vulnerability impacts the platform, enabling attackers to obtain privileged access within administrative environments. A security update is available and should be applied without delay in infrastructures dependent on Catalyst Center.

🐧 Debian: the Debian Project has released new security updates affecting core components and widely deployed packages, with significant implications for server environments and systems relying on sensitive libraries and services.

⚡️ Don’t think — patch! 🚀

📚 Sources:

🔗 DNS4EU: https://blog.marcfredericgomez.fr/dns4eu-vers-un-dns-europeen-souverain-securise-et-respectueux-de-la-vie-privee/
🔗 Check Point – State of Ransomware Q3 2025: https://research.checkpoint.com/2025/the-state-of-ransomware-q3-2025/
🔗 North Korean IT Workers – The Record: https://therecord.media/multiple-us-nationals-guilty-pleas-north-korean-it-worker-scams
🔗 Cisco Catalyst Center: https://cybersecuritynews.com/cisco-catalyst-center-vulnerability/
🔗 Debian – Security Updates: https://www.debian.org/News/2025/20251115

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