Cyber Daily News December 20, 2025

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Stories mentioned in today's briefing:

- Russia was behind a destructive cyber attack on a water utility in 2024, Denmark says
https://securityaffairs.com/185885/hacking/russia-was-behind-a-destructive-cyber-attack-on-a-water-utility-in-2024-denmark-says.html

- CL0P Ransomware Group Targets Gladinet CentreStack in New Campaign
https://thecyberexpress.com/cl0p-ransomware-targets-gladinet-centrestack/

- U.S. CISA adds a flaw in WatchGuard Fireware OS to its Known Exploited Vulnerabilities catalog
https://securityaffairs.com/185896/hacking/u-s-cisa-adds-a-flaw-in-watchguard-fireware-os-to-its-known-exploited-vulnerabilities-catalog.html

- Sophisticated Attack Campaign Exposes Loader Used by Multiple Threat Actors
https://thecyberexpress.com/sophisticated-attack-campaign-loader/