Russia's FSB

The network was financed from Russia and the Russian embassy in Prague and was to attack targets in Czechia and its foreign partners through a network of servers, Koudelka said at a security conference in the Chamber of Deputies.

“The network was completely broken up and decimated thanks to the NCOZ’s excellent work. The investigation continues. From the territory of the Czech Republic, we prevented this activity, which was part of another chain that Russians used and prepared to use in other European coun

Source: Czech authorities bust Russian intelligence network in the Czech Republic – Prague, Czech Republic