FrostyNeighbor is a Belarus-aligned APT group known for conducting influence and disinformation campaigns, particularly targeting Ukraine, Poland, and Lithuania. They have compromised various governmental and private sector entities, including the Polish Anti-Doping Agency, through hack-and-leak operations. The group is believed to collaborate with initial access brokers to exploit high-value targets, utilizing techniques such as zero-day vulnerabilities. Their operations are linked to cyber-enabled disinformation campaigns critical of the North Atlantic Alliance.