FamousSparrow targets Azerbaijani energy sector in multi-wave espionage campaign
Chinese-linked FamousSparrow repeatedly targeted an Azerbaijani oil and gas company, reusing the same entry point in three intrusions from Dec 2025 to Feb 2026. Chinese-linked threat actor FamousSparrow has conducted a sustained intrusion campaign against an Azerbaijani oil and gas company, returning to the same compromised entry point three separate times between late December 2025 […]

Chinese-linked threat actor FamousSparrow has conducted a sustained intrusion campaign against an Azerbaijani oil and gas company, returning to the same compromised entry point three separate times between late December 2025 and late February 2026.
Bitdefender researchers attribute with moderate-to-high confidence the operation to FamousSparrow, a group that overlaps with the broader Earth Estries and Salt Typhoon activity clusters, marking a significant expansion of the actor’s known targeting geography into a region that has become increasingly critical to European energy security.
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