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Threat actor

UAC-0099

Tracked by CyberSIXT since Jul 24, 2026 · last activity Sep 1, 2026

Coverage timeline

UAC0099 malware uses nuclear prompts to hijack AI systems
thehackernews.com · Sep 1, 2026
Ukraine Hit by Fake Notepad++ Plugin in UAC-0099 Phishing Attack
securityaffairs.com · Jul 24, 2026
Fake Notepad++ Plugin Delivers MATCHBOIL.V2 in Espionage Attack
thehackernews.com · Jul 24, 2026