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Nation-stateMay 14, 2026

'FrostyNeighbor' APT Carefully Targets Govt Orgs in Poland, Ukraine

FrostyNeighbor APT targets Polish and Ukrainian govt with fingerprinted spear-phishing for espionage.

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Summary

The FrostyNeighbor APT group, attributed to Belarus, is conducting targeted espionage campaigns against government organizations in Poland and Ukraine. The attackers employ sophisticated victim fingerprinting techniques before delivering customized spear-phishing payloads designed to establish persistent access. This campaign reflects ongoing state-sponsored cyber operations in Eastern Europe.

Entities

FrostyNeighbor (threat_actor)Belarus (nation-state) (threat_actor)