"The global effort to take down this network involved the crucial support of prosecutors and investigators from 30 countries. As a result, five individuals were arrested, 37 premises were searched, and 39 servers were seized. Victims of malware infections were identified in over 180 countries. In addition, 221 servers were put offline through abuse notifications sent to the hosting providers. The operation marks the largest-ever use of sinkholing to combat botnet infrastructures and is unprecedented in its scale, with over 800 000 domains seized, sinkholed or blocked."