Latest Internet & Cybersecurity News
📅December 18, 2025 at 1:00 PM
Active exploits of Fortinet and Cisco zero-days, ransomware surges, data breaches, Russian GRU attacks on critical infrastructure, and rising SMB cyber threats dominate December 2025 cybersecurity news.
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Cisco Warns of Active Attacks on Zero-Day Flaw CVE-2025-20393 in AsyncOS
A China-nexus APT actor UAT-9686 is exploiting a maximum-severity zero-day in Cisco Secure Email Gateway and Web Manager since December 10, 2025. CISA added it to KEV catalog, mandating FCEB mitigations by December 24.
Brute-force attacks on Cisco SSL VPNs also spiked from 1,273 IPs.