China-Based Artificial Intelligence Companies Conducting Industrial-Scale Distillation Campaigns Against U.S. AI Companies

A CISA alerts feed covering major 2026 cybersecurity advisories, including industrial-scale AI model distillation by China-based companies, red-team findings on domain and cloud compromise, active threats to Siemens S7 PLCs, Gunra ransomware, Russian exploitation and phishing targeting Zimbra, Russian targeting of vulnerable routers, and China-nexus covert networks of compromised devices. The items emphasize espionage, critical-infrastructure and ICS risk, ransomware, cloud security, vulnerability management, network hygiene, and incident detection and response. CVE-2025-66376 is explicitly a