Russian Nation-State Hackers Join Forces to Target Ukraine

First-Ever Malware Tie-Up Spotted Between FSB's Turla and Gamaredon Hacking Groups Mathew J. Schwartz (euroinfosec) • September 19, 2025

Separate Russian intelligence hacking teams appear to have joined forces against high-value intelligence targets in Ukraine.

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Cybersecurity firm Eset says it spotted a tie-up between the two groups in attacks that ran from at least January to June.

The threat groups involved are tracked as Gamaredon and Turla. Both are tied to separate arms of Russia's Federal Security Service, the Kremlin's primary domestic security and intelligence agency. Known as the FSB, the agency is Russia's successor to the Soviet Union's KGB.

While the two groups are ...