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+https://blog.sekoia.io/calisto-show-interests-into-entities-involved-in-ukraine-war-support/
+
+https://www.pwc.com/gx/en/issues/cybersecurity/cyber-threat-intelligence/blue-callisto-orbits-around-us.html
+
+https://www.recordedfuture.com/exposing-tag-53-credential-harvesting-infrastructure-for-russia-aligned-espionage-operations
+