Gamaredon in 2025: Leveraging tunnels, workers, dead drops, and new alliances
Cyberespionage has remained a constant feature of Russia’s war against Ukraine. ESET Research has long tracked Gamaredon, one of the most active Russia-aligned advanced persistent threat (APT) groups targeting Ukraine. The group, attributed by the Security Service of Ukraine (SSU) to the 18th Center of Information Security of Russia’s FSB, maintained a high operational tempo throughout 2025. In our latest research, we analyze Gamaredon’s activity during 2025, including new tools added to its arsenal, significant…
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