Belarusian APT Group "FrostyNeighbor" Targets Polish and Ukrainian Government Organizations

The "FrostyNeighbor" advanced persistent threat (APT) group, attributed to Belarusian nation-state actors, is conducting a targeted espionage campaign against government organizations in Poland and Ukraine. The attackers employ unique victim fingerprinting techniques before delivering spear-phishing payloads to compromise systems. No specific technical details, such as malware names, CVE IDs, or exact attack timelines, were disclosed in the report. The campaign focuses on intelligence gathering rather than disruptive or financially motivated attacks. The threat group’s tactics emphasize precision targeting of high-value entities in the two countries.