Ukrainian hacker admits affiliate role in Nefilim ransomware gang

Published on December 22, 2025

A Ukrainian national pleaded guilty on Friday to conducting Nefilim ransomware attacks that targeted high-revenue businesses across the United States and other countries. [...]

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Critical RCE flaw impacts over 115,000 WatchGuard firewalls

December 22, 2025
Over 115,000 WatchGuard Firebox devices exposed online remain unpatched against a critical remote code execution (RCE) vulnerability actively exploited in attacks. [...]

Not all CISA-linked alerts are urgent: ASUS Live Update CVE-2025-59374

December 22, 2025
An ASUS Live Update vulnerability tracked as CVE-2025-59374 has been making the rounds in infosec feeds, with some headlines implying recent or ongoing exploitation. A closer look, however, shows the CVE documents a historic supply-chain attack in an End-of-Life (EoL) software product, not a new attack. [...]