OTX Threat: Global Webmail Espionage

A persistent cyberespionage campaign tracked as CL-STA-1114, overlapping with Russian threat actor activity known as Void Blizzard and LAUNDRY BEAR, has been targeting Zimbra webmail in government, defense, transportation, and financial organizations. The campaign focuses on NATO member states, Ukraine, Commonwealth of Independent States countries, and Africa. Attackers exploit CVE-2025-66376, a v CVEs: CVE-2025-66376 Sectors: Government, Defense, Transportation