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Malware
UAT-8302: China-Nexus APT Uses Custom Malware and Open-Source Tools to Steal Data From Government Agencies
8 May 2026 dark6
Cisco Talos has detailed UAT-8302, a China-nexus APT group conducting long-term espionage campaigns against government agencies in southeastern Europe. The...
Malware
State-Sponsored UAT-4356 Deploys FIRESTARTER Backdoor on Cisco Firepower Devices via Chained N-Day Vulnerabilities
26 April 2026 dark6
Cisco Talos has uncovered an active espionage campaign by state-sponsored group UAT-4356, which chains two Cisco Firepower FXOS vulnerabilities (CVE-2025-20333...