Russian Calisto Hackers Target NATO Research Sectors with ClickFix Malicious Code

Russian-backed threat actors continue their sophisticated cyber espionage operations against Western institutions through advanced phishing tactics. Calisto, a Russia-nexus intrusion set attributed to the Russian FSB’s Center 18 for Information Security (military unit 64829), has emerged as a persistent threat targeting NATO research entities and strategic organizations. The group has expanded its attack scope to […]

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