security: Kazuar: Anatomy of a nation-state botnet

· Sujith Quintelier · May 15, 2026, 6:03 a.m.
Cybersecurity malware Botnets Espionage
Summary
This blog post discusses Kazuar, a sophisticated botnet developed by Russian state actor Secret Blizzard. Initially a backdoor, it has evolved into a modular peer-to-peer botnet targeting espionage. The article highlights its persistent nature and ongoing development as reported by Microsoft Security.
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